(* Created with the Wolfram Language : www.wolfram.com *)
{{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, -((1 + \[Epsilon])/x7), 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {(x11*\[Epsilon])/(2*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)), 0, 0, 
   (x8^2*\[Epsilon])/(2*(x7 - x8)*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)), 
   -(x7*(x7^2 - x8)*\[Epsilon])/(2*(-1 + x7)*(x7 - x8)*
     (-x7 + x11*x7 + x7^2 + x8 - x7*x8)), 
   \[Epsilon]/(2*(-1 + x7)*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)), 
   -((x8*(-1 + 2*\[Epsilon]))/(x7*(-x7 + x11*x7 + x7^2 + x8 - x7*x8))), 0, 
   -((x7^2 - x8 - x7*\[Epsilon] + x11*x7*\[Epsilon] + 2*x8*\[Epsilon] - 
      x7*x8*\[Epsilon])/(x7*(-x7 + x11*x7 + x7^2 + x8 - x7*x8))), 0, 0, 0, 
   0}, {0, (x10*\[Epsilon])/((x10 + x7 - x8 - x9)*(x10*x7 - x8*x9)), 
   ((x10 - x8)*x9*\[Epsilon])/((x7 - x9)*(x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)), (x8*(x10 - x9)*\[Epsilon])/
    ((x7 - x8)*(x10 + x7 - x8 - x9)*(x10*x7 - x8*x9)), 
   -(((x10*x7^2 - x10*x8*x9 - 2*x7*x8*x9 + x8^2*x9 + x8*x9^2)*\[Epsilon])/
     ((x7 - x8)*(x7 - x9)*(x10 + x7 - x8 - x9)*(x10*x7 - x8*x9))), 0, 0, 0, 
   0, -((x10^2 + x10*x7 - x10*x8 - x10*x9 + x10^2*\[Epsilon] - 
      x10*x8*\[Epsilon] - x10*x9*\[Epsilon] + x8*x9*\[Epsilon])/
     ((x10 + x7 - x8 - x9)*(x10*x7 - x8*x9))), 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, \[Epsilon]/((-1 + x7 - x9)*(x7 - x9)), 0, 
   -(((-1 + 2*x7 - x9)*\[Epsilon])/((-1 + x7)*(-1 + x7 - x9)*(x7 - x9))), 
   \[Epsilon]/((-1 + x7)*(-1 + x7 - x9)), 0, 0, 0, 0, 0, 
   \[Epsilon]/(-1 + x7 - x9), 0}, 
  {-(x11*(x10^2 - 3*x10^2*x7 + 3*x10*x11*x7 - x10*x9 + x10*x11*x9 + 
       3*x10*x8*x9 - 4*x11*x8*x9)*\[Epsilon])/(4*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x10*(-x10 + x10*x7 - x11*x7 + x9 + x11*x9 - x8*x9)*\[Epsilon])/
    (2*(x10 + x7 - x8 - x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x9*(x10 + x10^2 - 2*x10*x11 - x10*x7 - x10^2*x7 - x11*x7 + x10*x11*x7 - 
      x10*x8 + 2*x11*x8 + x10*x7*x8 - x11*x7*x8 - x9 - x10*x9 + x11*x9 - 
      x10*x11*x9 + 2*x8*x9 + x10*x8*x9 + x11*x8*x9 - x8^2*x9)*\[Epsilon])/
    (2*(1 - x7 + x9)*(-x10 - x7 + x8 + x9)*(x10^2 - 2*x10^2*x7 + 
      2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 
      2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 
      2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 
      2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 
      2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x8*(-x10^3 + x10^2*x7 + 3*x10^3*x7 - 3*x10^2*x11*x7 + x10^2*x7^2 - 
       x10*x11*x7^2 + x10^2*x8 - 3*x10^2*x7*x8 + 3*x10*x11*x7*x8 + 
       2*x10^2*x9 - x10^2*x11*x9 - x10*x7*x9 - 3*x10^2*x7*x9 - 3*x10*x8*x9 - 
       3*x10^2*x8*x9 + 5*x10*x11*x8*x9 + x10*x7*x8*x9 + 2*x11*x7*x8*x9 + 
       3*x10*x8^2*x9 - 4*x11*x8^2*x9 - x10*x9^2 + x10*x11*x9^2 + 2*x8*x9^2 + 
       3*x10*x8*x9^2 - 2*x11*x8*x9^2 - 2*x8^2*x9^2)*\[Epsilon])/
    (4*(-x10 - x7 + x8 + x9)*(-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 
      2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 
      2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 
      2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 
      2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 
      2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x7*(x10^3 - 3*x10^3*x7 + 3*x10^2*x11*x7 - x10^2*x7^2 + 2*x10^3*x7^2 + 
      2*x10*x11*x7^2 - 2*x10^2*x11*x7^2 + x10^2*x7^3 - x10*x11*x7^3 - 
      x10^2*x8 + 3*x10^2*x7*x8 - 3*x10*x11*x7*x8 - 2*x10^2*x7^2*x8 + 
      2*x10*x11*x7^2*x8 - 2*x10^2*x9 + x10^3*x9 + x10^2*x11*x9 + 
      5*x10^2*x7*x9 - x10^3*x7*x9 - x10*x11*x7*x9 + x10^2*x11*x7*x9 + 
      x10*x7^2*x9 - 2*x10^2*x7^2*x9 + x10*x11*x7^2*x9 + 2*x10*x8*x9 + 
      x10^2*x8*x9 - 5*x10*x11*x8*x9 - 3*x10*x7*x8*x9 - 2*x10^2*x7*x8*x9 - 
      3*x11*x7*x8*x9 + 2*x10*x11*x7*x8*x9 - x10*x7^2*x8*x9 + 
      2*x11*x7^2*x8*x9 - 2*x10*x8^2*x9 + 4*x11*x8^2*x9 + 3*x10*x7*x8^2*x9 - 
      3*x11*x7*x8^2*x9 + x10*x9^2 - 2*x10^2*x9^2 - x10*x11*x9^2 + 
      x10^2*x11*x9^2 - 2*x10*x7*x9^2 + x10^2*x7*x9^2 + x10*x11*x7*x9^2 - 
      x8*x9^2 - x10*x8*x9^2 + x10^2*x8*x9^2 + 3*x11*x8*x9^2 - 
      4*x10*x11*x8*x9^2 + 2*x10*x7*x8*x9^2 - 4*x11*x7*x8*x9^2 + 2*x8^2*x9^2 + 
      3*x11*x8^2*x9^2 - x8^3*x9^2 + x10*x9^3 - x10*x11*x9^3 - x10*x8*x9^3 + 
      2*x11*x8*x9^3)*\[Epsilon])/(2*(-1 + x7 - x9)*(x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((x10^2 - 2*x10^2*x7 + 3*x10*x11*x7 + x10^2*x7^2 - x10*x11*x7^2 - 
       x10*x9 + x10^2*x9 + x10*x11*x9 + 3*x10*x7*x9 + x10^2*x7*x9 + 
       x10*x8*x9 - 4*x11*x8*x9 - 3*x10*x7*x8*x9 + 2*x11*x7*x8*x9 - x10*x9^2 + 
       x10*x11*x9^2 - 2*x8*x9^2 - x10*x8*x9^2 - 2*x11*x8*x9^2 + 2*x8^2*x9^2)*
      \[Epsilon])/(4*(-1 + x7 - x9)*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   ((x10^2*x7 - x10^2*x11*x7 + x10^2*x7^2 - x10*x11*x7^2 - x10^2*x11*x7^2 + 
      x10*x11^2*x7^2 + 2*x10^2*x8 - 5*x10^2*x7*x8 + 6*x10*x11*x7*x8 + 
      x10^2*x7^2*x8 - x10*x11*x7^2*x8 - x10*x7*x9 + 2*x10*x11*x7*x9 - 
      x10*x11^2*x7*x9 - 4*x10*x8*x9 + 4*x10*x11*x8*x9 + 4*x10*x7*x8*x9 + 
      2*x11*x7*x8*x9 + 4*x10*x11*x7*x8*x9 - 2*x11^2*x7*x8*x9 + 
      4*x10*x8^2*x9 - 8*x11*x8^2*x9 - 3*x10*x7*x8^2*x9 + 2*x11*x7*x8^2*x9 + 
      2*x8*x9^2 - 4*x11*x8*x9^2 + 2*x11^2*x8*x9^2 - 4*x8^2*x9^2 - 
      4*x11*x8^2*x9^2 + 2*x8^3*x9^2)*\[Epsilon])/(2*x7*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x11*x9*(x10^2 - x10^2*x7 + x10*x11*x7 - x10*x9 + x10*x11*x9 + x10*x8*x9 - 
      2*x11*x8*x9)*\[Epsilon])/(2*(-(x10*x7) + x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(((-(x10^2*x7^2) + 2*x10*x11*x7^2 + 2*x10^2*x11*x7^2 - 2*x10*x11^2*x7^2 + 
       x10^2*x7^3 - x10*x11*x7^3 - x10^2*x8 + 3*x10^2*x7*x8 - 
       3*x10*x11*x7*x8 - 2*x10^2*x7^2*x8 + 2*x10*x11*x7^2*x8 + x10*x7^2*x9 - 
       x10*x11*x7^2*x9 + 2*x10*x8*x9 - 2*x10*x11*x8*x9 - 3*x10*x7*x8*x9 - 
       3*x11*x7*x8*x9 - 3*x10*x11*x7*x8*x9 + 3*x11^2*x7*x8*x9 - 
       x10*x7^2*x8*x9 + 2*x11*x7^2*x8*x9 - 2*x10*x8^2*x9 + 4*x11*x8^2*x9 + 
       3*x10*x7*x8^2*x9 - 3*x11*x7*x8^2*x9 - x8*x9^2 + 2*x11*x8*x9^2 - 
       x11^2*x8*x9^2 + 2*x8^2*x9^2 + 2*x11*x8^2*x9^2 - x8^3*x9^2)*\[Epsilon])/
     (x7*(x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
       2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
       2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
       4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
       x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2))), 
   ((x10*x7 - x8*x9)*(x10 + 2*x10^2 - 2*x10*x11 + x10*x7 - x11*x7 - 
      2*x10*x8 + 2*x11*x8 - x9 - 2*x10*x9 + x11*x9 + x8*x9)*\[Epsilon])/
    (2*(x10 + x7 - x8 - x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x10^2*(x10 + x10*x7 - x11*x7 - x9 + x11*x9 - x8*x9)*\[Epsilon])/
    (2*(x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x9*(-x10^2 + x10^2*x7 - x10*x11*x7 + x10*x9 - x10^2*x9 - x10*x11*x9 - 
      2*x10*x7*x9 - x10^2*x7*x9 + x10*x11*x7*x9 + 2*x11*x8*x9 + 
      x10*x7*x8*x9 - x11*x7*x8*x9 + x10*x9^2 - x10*x11*x9^2 + x8*x9^2 + 
      x10*x8*x9^2 + x11*x8*x9^2 - x8^2*x9^2)*\[Epsilon])/
    (2*(1 - x7 + x9)*(-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + 
      x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 
      2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 
      2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 
      2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x10^3*x7 - x10^2*x11*x7 - x10^3*x7^2 + 2*x10^2*x11*x7^2 - 
     x10*x11^2*x7^2 - x10^2*x7*x9 - x10*x11*x7*x9 - x10^2*x11*x7*x9 + 
     x10*x11^2*x7*x9 - x10^2*x8*x9 + x10*x11*x8*x9 + 2*x10^2*x7*x8*x9 - 
     3*x10*x11*x7*x8*x9 + x11^2*x7*x8*x9 + x10*x8*x9^2 + x11*x8*x9^2 + 
     x10*x11*x8*x9^2 - x11^2*x8*x9^2 - x10*x8^2*x9^2 + x11*x8^2*x9^2 - 
     x10^3*\[Epsilon] + x10^3*x7^2*\[Epsilon] - 2*x10^2*x11*x7^2*\[Epsilon] + 
     x10*x11^2*x7^2*\[Epsilon] + 2*x10^2*x9*\[Epsilon] - 
     2*x10^2*x11*x9*\[Epsilon] + 2*x10*x11*x8*x9*\[Epsilon] - 
     2*x10^2*x7*x8*x9*\[Epsilon] + 4*x10*x11*x7*x8*x9*\[Epsilon] - 
     2*x11^2*x7*x8*x9*\[Epsilon] - x10*x9^2*\[Epsilon] + 
     2*x10*x11*x9^2*\[Epsilon] - x10*x11^2*x9^2*\[Epsilon] - 
     2*x11*x8*x9^2*\[Epsilon] + 2*x11^2*x8*x9^2*\[Epsilon] + 
     x10*x8^2*x9^2*\[Epsilon] - 2*x11*x8^2*x9^2*\[Epsilon])/
    ((x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2))}}, 
 {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, -((1 + \[Epsilon])/x8), 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {-(x11*(-1 + x11 + x8)*\[Epsilon])/
    (2*x8*(1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 0, 0, 
   (x8*\[Epsilon])/(1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2), 0, 
   -((1 - x11 + x8)*\[Epsilon])/(2*x8*(1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + 
      x8^2)), (x8 + x11*x8 - x8^2 - \[Epsilon] + 2*x11*\[Epsilon] - 
     x11^2*\[Epsilon] + x8^2*\[Epsilon])/
    (x8*(1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {(x11*(-1 + x11 + x7 + x11*x7 + x8 - x7*x8)*\[Epsilon])/
    (2*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)*(1 - 2*x11 + x11^2 - 2*x8 - 
      2*x11*x8 + x8^2)), 0, 0, 
   -(x8*(x7 - 2*x11*x7 + x11^2*x7 - x7^2 + x11*x7^2 + x7*x8 - 3*x11*x7*x8 - 
       x7^2*x8 - 2*x8^2 + 2*x7*x8^2)*\[Epsilon])/
    (2*(-x7 + x8)*(x7 - x11*x7 - x7^2 - x8 + x7*x8)*
     (1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 
   (x7^2*\[Epsilon])/(2*(x7 - x8)*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)), 
   -((-1 + x11 + 2*x7 - x8)*\[Epsilon])/(2*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)*
     (1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 
   ((1 - 2*x11 + x11^2 - x7 + x11*x7 - x8 - x11*x8 + x7*x8)*
     (-1 + 2*\[Epsilon]))/((-x7 + x11*x7 + x7^2 + x8 - x7*x8)*
     (1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 0, 
   -(((-1 + x7)*(-1 + \[Epsilon]))/(-x7 + x11*x7 + x7^2 + x8 - x7*x8)), 0, 0, 
   0, 0}, {0, (x10*(x7 - x9)*\[Epsilon])/((x10 - x8)*(x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)), (x9*\[Epsilon])/((x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)), ((x10^2*x7 + x10*x7^2 - 2*x10*x7*x8 - x10*x7*x9 + 
      x8^2*x9)*\[Epsilon])/((x10 - x8)*(-x7 + x8)*(x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)), (x7*(x10 - x9)*\[Epsilon])/
    ((x7 - x8)*(x10 + x7 - x8 - x9)*(x10*x7 - x8*x9)), 0, 0, 0, 0, 
   -((-(x10*x9) - x7*x9 + x8*x9 + x9^2 + x10*x7*\[Epsilon] - 
      x10*x9*\[Epsilon] - x7*x9*\[Epsilon] + x9^2*\[Epsilon])/
     ((x10 + x7 - x8 - x9)*(x10*x7 - x8*x9))), 0, 0, 0}, 
  {(x11*(-1 - x10 + x11)*\[Epsilon])/(2*x8*(-x10 - x10^2 + x10*x11 + x10*x8 - 
      x11*x8)), (x10*\[Epsilon])/((x10 - x8)*(x10 + x10^2 - x10*x11 - 
      x10*x8 + x11*x8)), 0, -((x10 + x10^2 - x10*x11 + x8 - x10*x8 + x11*x8)*
      \[Epsilon])/(2*(x10 - x8)*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 
   0, -((1 + x10 - x11)*\[Epsilon])/(2*x8*(x10 + x10^2 - x10*x11 - x10*x8 + 
      x11*x8)), ((1 + x10 - 2*x11 - x10*x11 + x11^2 - x8 + x10*x8 - x11*x8)*
     \[Epsilon])/(x8*(-x10 - x10^2 + x10*x11 + x10*x8 - x11*x8)), 0, 0, 0, 
   -(((x10 - x11)*\[Epsilon])/(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 0, 
   0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {-(x11*(-(x10^3*x7) + x10^2*x11*x7 + x10^3*x7^2 - 2*x10^2*x11*x7^2 + 
       x10*x11^2*x7^2 + x10^2*x9 + x10^3*x9 - x10^2*x11*x9 - 2*x10^2*x7*x9 - 
       3*x10^3*x7*x9 + 3*x10^2*x11*x7*x9 + x10^2*x7*x8*x9 + 
       x10*x11*x7*x8*x9 - 2*x11^2*x7*x8*x9 - x10*x9^2 - x10^2*x9^2 + 
       2*x10*x11*x9^2 + x10^2*x11*x9^2 - x10*x11^2*x9^2 + 3*x10*x8*x9^2 + 
       3*x10^2*x8*x9^2 - 2*x11*x8*x9^2 - 5*x10*x11*x8*x9^2 + 
       2*x11^2*x8*x9^2 - 2*x10*x8^2*x9^2 + 2*x11*x8^2*x9^2)*\[Epsilon])/
    (4*(-x10 - x10^2 + x10*x11 + x10*x8 - x11*x8)*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x10*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
       x11^2*x7^2 - x10*x9 + x10^2*x9 + x10*x7*x9 - x10^2*x7*x9 + x11*x7*x9 + 
       3*x10*x11*x7*x9 - 2*x11^2*x7*x9 + x10*x8*x9 - 2*x11*x8*x9 - 
       x10*x7*x8*x9 + x11*x7*x8*x9 - x10*x9^2 - x11*x9^2 - x10*x11*x9^2 + 
       x11^2*x9^2 + x10*x8*x9^2 - x11*x8*x9^2)*\[Epsilon])/
    (2*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*(x10 + x7 - x8 - x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x9*(-x10 + x10*x7 - x11*x7 + x9 + x11*x9 - x8*x9)*\[Epsilon])/
    (2*(x10 + x7 - x8 - x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x8*(-2*x10^3*x7 - x10^4*x7 + x10^3*x11*x7 + 3*x10^3*x7^2 + x10^4*x7^2 - 
      3*x10^2*x11*x7^2 - 2*x10^3*x11*x7^2 + x10^2*x11^2*x7^2 - x10^3*x7^3 + 
      2*x10^2*x11*x7^3 - x10*x11^2*x7^3 + x10^3*x7*x8 - x10^2*x11*x7*x8 - 
      x10^3*x7^2*x8 + 2*x10^2*x11*x7^2*x8 - x10*x11^2*x7^2*x8 + x10^3*x9 + 
      x10^4*x9 - x10^3*x11*x9 + 3*x10^2*x7*x9 - 2*x10^3*x7*x9 - 
      3*x10^4*x7*x9 - 2*x10^2*x11*x7*x9 + 3*x10^3*x11*x7*x9 - 
      4*x10^2*x7^2*x9 - 2*x10^3*x7^2*x9 - 2*x10*x11*x7^2*x9 - 
      x10^2*x11*x7^2*x9 + 3*x10*x11^2*x7^2*x9 + x10^2*x8*x9 - x10^3*x8*x9 + 
      x10^2*x11*x8*x9 - 4*x10^2*x7*x8*x9 + 4*x10^3*x7*x8*x9 + 
      8*x10*x11*x7*x8*x9 - 2*x10^2*x11*x7*x8*x9 - 2*x10*x11^2*x7*x8*x9 + 
      5*x10^2*x7^2*x8*x9 - 5*x10*x11*x7^2*x8*x9 - x10^2*x7*x8^2*x9 - 
      x10*x11*x7*x8^2*x9 + 2*x11^2*x7*x8^2*x9 - 2*x10^2*x9^2 - 2*x10^3*x9^2 + 
      3*x10^2*x11*x9^2 + x10^3*x11*x9^2 - x10^2*x11^2*x9^2 - x10*x7*x9^2 + 
      3*x10^2*x7*x9^2 + 3*x10^3*x7*x9^2 + 4*x10*x11*x7*x9^2 - 
      3*x10*x11^2*x7*x9^2 - x10*x8*x9^2 + 6*x10^2*x8*x9^2 + 3*x10^3*x8*x9^2 - 
      4*x10*x11*x8*x9^2 - 6*x10^2*x11*x8*x9^2 + 3*x10*x11^2*x8*x9^2 + 
      5*x10*x7*x8*x9^2 - 2*x10^2*x7*x8*x9^2 + 2*x10*x11*x7*x8*x9^2 - 
      x10*x8^2*x9^2 - 5*x10^2*x8^2*x9^2 - 2*x11*x8^2*x9^2 + 
      7*x10*x11*x8^2*x9^2 - 2*x11^2*x8^2*x9^2 - 4*x10*x7*x8^2*x9^2 + 
      4*x11*x7*x8^2*x9^2 + 2*x10*x8^3*x9^2 - 2*x11*x8^3*x9^2 + x10*x9^3 + 
      x10^2*x9^3 - 2*x10*x11*x9^3 - x10^2*x11*x9^3 + x10*x11^2*x9^3 - 
      5*x10*x8*x9^3 - 3*x10^2*x8*x9^3 + 3*x10*x11*x8*x9^3 + 4*x10*x8^2*x9^3 - 
      4*x11*x8^2*x9^3)*\[Epsilon])/(4*(-x10 - x10^2 + x10*x11 + x10*x8 - 
      x11*x8)*(-x10 - x7 + x8 + x9)*(-(x10*x7) + x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x7*(x7 - x9)*(-x10^2 + x10^2*x7 - x10*x11*x7 + 2*x10*x9 - x10*x11*x9 - 
      x10*x7*x9 - x11*x7*x9 - x10*x8*x9 + 2*x11*x8*x9 - x9^2 + x11*x9^2 + 
      x8*x9^2)*\[Epsilon])/(2*(x10 + x7 - x8 - x9)*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((-(x10^3*x7) + x10^2*x11*x7 + x10^3*x7^2 - 2*x10^2*x11*x7^2 + 
       x10*x11^2*x7^2 + x10^2*x9 + x10^3*x9 - x10^2*x11*x9 + 2*x10^2*x7*x9 + 
       x10^3*x7*x9 - x10^2*x11*x7*x9 - 3*x10^2*x7*x8*x9 + 
       5*x10*x11*x7*x8*x9 - 2*x11^2*x7*x8*x9 - x10*x9^2 - x10^2*x9^2 + 
       2*x10*x11*x9^2 + x10^2*x11*x9^2 - x10*x11^2*x9^2 - x10*x8*x9^2 - 
       x10^2*x8*x9^2 - 2*x11*x8*x9^2 - x10*x11*x8*x9^2 + 2*x11^2*x8*x9^2 + 
       2*x10*x8^2*x9^2 - 2*x11*x8^2*x9^2)*\[Epsilon])/
    (4*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((2*x10^3 + 2*x10^4 - 2*x10^3*x11 - 3*x10^3*x7 - 4*x10^4*x7 + 
       3*x10^2*x11*x7 + 7*x10^3*x11*x7 - 3*x10^2*x11^2*x7 + x10^3*x7^2 + 
       2*x10^4*x7^2 - 2*x10^2*x11*x7^2 - 5*x10^3*x11*x7^2 + x10*x11^2*x7^2 + 
       4*x10^2*x11^2*x7^2 - x10*x11^3*x7^2 - 2*x10^3*x8 + 2*x10^2*x11*x8 + 
       3*x10^3*x7*x8 - 5*x10^2*x11*x7*x8 + 2*x10*x11^2*x7*x8 - 
       x10^3*x7^2*x8 + 2*x10^2*x11*x7^2*x8 - x10*x11^2*x7^2*x8 - 3*x10^2*x9 - 
       3*x10^3*x9 + 6*x10^2*x11*x9 + 3*x10^3*x11*x9 - 3*x10^2*x11^2*x9 + 
       4*x10^2*x7*x9 + 5*x10^3*x7*x9 + 2*x10*x11*x7*x9 + x10^2*x11*x7*x9 + 
       3*x10^3*x11*x7*x9 - 4*x10*x11^2*x7*x9 - 5*x10^2*x11^2*x7*x9 + 
       2*x10*x11^3*x7*x9 + 5*x10^2*x8*x9 + 3*x10^3*x8*x9 - 8*x10*x11*x8*x9 - 
       11*x10^2*x11*x8*x9 + 8*x10*x11^2*x8*x9 - 7*x10^2*x7*x8*x9 - 
       5*x10^3*x7*x8*x9 + 5*x10*x11*x7*x8*x9 + 8*x10^2*x11*x7*x8*x9 - 
       3*x10*x11^2*x7*x8*x9 - 2*x10^2*x8^2*x9 + 6*x10*x11*x8^2*x9 - 
       4*x11^2*x8^2*x9 + 3*x10^2*x7*x8^2*x9 - 5*x10*x11*x7*x8^2*x9 + 
       2*x11^2*x7*x8^2*x9 + x10*x9^2 + x10^2*x9^2 - 3*x10*x11*x9^2 - 
       2*x10^2*x11*x9^2 + 3*x10*x11^2*x9^2 + x10^2*x11^2*x9^2 - 
       x10*x11^3*x9^2 - 4*x10*x8*x9^2 - 4*x10^2*x8*x9^2 - 
       4*x10^2*x11*x8*x9^2 + 4*x10*x11^2*x8*x9^2 + 5*x10*x8^2*x9^2 + 
       3*x10^2*x8^2*x9^2 - 2*x11*x8^2*x9^2 - x10*x11*x8^2*x9^2 - 
       2*x11^2*x8^2*x9^2 - 2*x10*x8^3*x9^2 + 2*x11*x8^3*x9^2)*\[Epsilon])/
    (2*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x11*x9^2*(x10 - x10*x7 - x11*x7 - x9 + x11*x9 + x8*x9)*\[Epsilon])/
    (2*(-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(((x10^2 - 2*x10^2*x7 + x10*x11*x7 + x10^2*x7^2 - x10*x11*x7^2 - 
       2*x10*x9 + 2*x10*x11*x9 + 3*x10*x7*x9 + x11*x7*x9 - x11^2*x7*x9 - 
       x10*x7^2*x9 - x11*x7^2*x9 + x10*x8*x9 - 2*x11*x8*x9 - x10*x7*x8*x9 + 
       2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - x7*x9^2 + 
       x11*x7*x9^2 - x8*x9^2 - x11*x8*x9^2 + x7*x8*x9^2)*\[Epsilon])/
     ((x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
       2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
       2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
       4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
       x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2))), 
   ((x10*x7 - x8*x9)*(-x10 + x10*x7 - x11*x7 + x9 - 2*x10*x9 + x11*x9 - 
      2*x7*x9 + x8*x9 + 2*x9^2)*\[Epsilon])/(2*(x10 + x7 - x8 - x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x10^2*(-(x10^2*x7) + x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
       x11^2*x7^2 - x10*x9 - x10^2*x9 + x10*x11*x9 - x10^2*x7*x9 + 
       2*x11*x7*x9 + 3*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
       2*x11*x8*x9 - x10*x7*x8*x9 + x11*x7*x8*x9 + x9^2 + x10*x9^2 - 
       2*x11*x9^2 - x10*x11*x9^2 + x11^2*x9^2 - x8*x9^2 + x10*x8*x9^2 - 
       x11*x8*x9^2)*\[Epsilon])/(2*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x9^2*(-x10 - x10*x7 + x11*x7 + x9 - x11*x9 + x8*x9)*\[Epsilon])/
    (2*(-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((x9*(x10^2*x7 - 2*x10*x11*x7 - x10^2*x7^2 + x10*x11*x7^2 - x10*x7*x9 - 
       x10*x11*x7*x9 - x10*x8*x9 + 2*x11*x8*x9 + 2*x10*x7*x8*x9 - 
       x11*x7*x8*x9 + x8*x9^2 + x11*x8*x9^2 - x8^2*x9^2 - x10^2*\[Epsilon] + 
       2*x10*x11*x7*\[Epsilon] + x10^2*x7^2*\[Epsilon] - 
       x11^2*x7^2*\[Epsilon] + 2*x10*x9*\[Epsilon] - 
       2*x10*x11*x9*\[Epsilon] - 2*x11*x7*x9*\[Epsilon] + 
       2*x11^2*x7*x9*\[Epsilon] - 2*x10*x7*x8*x9*\[Epsilon] - 
       x9^2*\[Epsilon] + 2*x11*x9^2*\[Epsilon] - x11^2*x9^2*\[Epsilon] + 
       x8^2*x9^2*\[Epsilon]))/((x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 
       2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 
       2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 
       2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 
       2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 
       2*x11*x8*x9^2 + x8^2*x9^2)))}}, 
 {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {0, 0, -((1 + \[Epsilon])/x9), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {\[Epsilon]/(x9*(-x10 + x11 + x9)), (x10*\[Epsilon])/
    ((x10 - x9)*(x10 - x11 - x9)*x9), 
   -(\[Epsilon]/((x10 - x9)*(x10 - x11 - x9))), 0, 0, 0, 0, 
   -((-x10 + x11 + x9 - x10*\[Epsilon] + x11*\[Epsilon])/
     (x9*(-x10 + x11 + x9))), 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0, 0}, {0, (x10*(x7 - x8)*\[Epsilon])/((x10 - x9)*(x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)), ((x10^2*x7 + x10*x7^2 - x10*x7*x8 - 2*x10*x7*x9 + 
      x8*x9^2)*\[Epsilon])/((x10 - x9)*(x10 + x7 - x8 - x9)*(-x7 + x9)*
     (x10*x7 - x8*x9)), (x8*\[Epsilon])/((-x10 - x7 + x8 + x9)*
     (-(x10*x7) + x8*x9)), (x7*(x10 - x8)*\[Epsilon])/
    ((x7 - x9)*(x10 + x7 - x8 - x9)*(x10*x7 - x8*x9)), 0, 0, 0, 0, 
   -((-(x10*x8) - x7*x8 + x8^2 + x8*x9 + x10*x7*\[Epsilon] - 
      x10*x8*\[Epsilon] - x7*x8*\[Epsilon] + x8^2*\[Epsilon])/
     ((x10 + x7 - x8 - x9)*(x10*x7 - x8*x9))), 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, -(\[Epsilon]/((-1 + x7 - x9)*(x7 - x9))), 0, 
   (x7*\[Epsilon])/((-1 + x7 - x9)*(x7 - x9)*x9), 
   -(\[Epsilon]/((-1 + x7 - x9)*x9)), 0, 0, 0, 0, 0, 
   -((1 - x7 + x9 + \[Epsilon] - x7*\[Epsilon])/(x9*(1 - x7 + x9))), 0}, 
  {(x11*(x10^3*x7 - x10^2*x11*x7 - x10^3*x7^2 + 2*x10^2*x11*x7^2 - 
      x10*x11^2*x7^2 - 2*x10^2*x7*x9 + 3*x10*x11*x7*x9 + 3*x10^2*x11*x7*x9 - 
      3*x10*x11^2*x7*x9 + 3*x10^2*x7^2*x9 - 3*x10*x11*x7^2*x9 - 
      x10^2*x7*x8*x9 - x10*x11*x7*x8*x9 + 2*x11^2*x7*x8*x9 + x10*x7*x9^2 - 
      x10*x11*x7*x9^2 - 2*x11*x8*x9^2 - 2*x10*x11*x8*x9^2 + 2*x11^2*x8*x9^2 - 
      3*x10*x7*x8*x9^2 + 4*x11*x7*x8*x9^2 + 2*x10*x8^2*x9^2 - 
      2*x11*x8^2*x9^2)*\[Epsilon])/(4*x9*(-x10 + x11 + x9)*
     (-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x10*(x10*x11 - x10*x7 + 2*x11*x7 + x10*x11*x7 - x11^2*x7 + x10*x7^2 - 
       x11*x7^2 + x10*x8 - 2*x11*x8 - x10*x7*x8 + x11*x7*x8 - x11*x9 + 
       x11^2*x9 + x7*x9 + x11*x7*x9 - x8*x9 - 2*x11*x8*x9 - x7*x8*x9 + 
       x8^2*x9)*\[Epsilon])/(2*(x10 - x11 - x9)*(x10 + x7 - x8 - x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((x10^3 - x10^2*x11 + x10^2*x7 - 2*x10^3*x7 - x10*x11*x7 + 
       3*x10^2*x11*x7 - x10*x11^2*x7 - 2*x10^2*x7^2 + x10^3*x7^2 + 
       3*x10*x11*x7^2 - 2*x10^2*x11*x7^2 - x11^2*x7^2 + x10*x11^2*x7^2 + 
       x10^2*x7^3 - 2*x10*x11*x7^3 + x11^2*x7^3 - x10^2*x8 + x10*x11*x8 + 
       2*x10^2*x7*x8 - 3*x10*x11*x7*x8 + x11^2*x7*x8 - x10^2*x7^2*x8 + 
       2*x10*x11*x7^2*x8 - x11^2*x7^2*x8 - 3*x10^2*x9 + x10*x11*x9 + 
       x10^2*x11*x9 - x10*x11^2*x9 - x10*x7*x9 + 5*x10^2*x7*x9 - x11*x7*x9 - 
       4*x10*x11*x7*x9 + x10^2*x11*x7*x9 + x11^2*x7*x9 - x10*x11^2*x7*x9 + 
       x10*x7^2*x9 - 2*x10^2*x7^2*x9 + x11*x7^2*x9 + 5*x10*x11*x7^2*x9 - 
       3*x11^2*x7^2*x9 + x10*x8*x9 + x10^2*x8*x9 + x11*x8*x9 - 
       2*x10*x11*x8*x9 + x11^2*x8*x9 - x10^2*x7*x8*x9 - 2*x11*x7*x8*x9 + 
       x11^2*x7*x8*x9 - x10*x7^2*x8*x9 + x11*x7^2*x8*x9 - x10*x8^2*x9 + 
       x11*x8^2*x9 + x10*x7*x8^2*x9 - x11*x7*x8^2*x9 + 3*x10*x9^2 - 
       3*x10*x11*x9^2 - 3*x10*x7*x9^2 - 3*x11*x7*x9^2 - 3*x10*x11*x7*x9^2 + 
       3*x11^2*x7*x9^2 - 3*x10*x8*x9^2 + 6*x11*x8*x9^2 + 3*x10*x7*x8*x9^2 - 
       3*x11*x7*x8*x9^2 - x9^3 + 2*x11*x9^3 - x11^2*x9^3 + 2*x8*x9^3 + 
       2*x11*x8*x9^3 - x8^2*x9^3)*\[Epsilon])/(2*(x10 - x11 - x9)*
     (x10 + x7 - x8 - x9)*(1 - x7 + x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + 
      x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 
      2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 
      2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 
      2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x8*(-(x10^3*x7) - x10^2*x7^2 + x10^3*x7^2 - x10^2*x11*x7^2 + x10^2*x7^3 - 
      x10*x11*x7^3 + x10^2*x7*x8 - x10^2*x7^2*x8 + x10*x11*x7^2*x8 + 
      2*x10^2*x7*x9 - 3*x10^2*x11*x7*x9 - x10*x7^2*x9 - 3*x10^2*x7^2*x9 + 
      x10*x7*x8*x9 + x10^2*x7*x8*x9 + 5*x10*x11*x7*x8*x9 + x10*x7^2*x8*x9 + 
      2*x11*x7^2*x8*x9 - x10*x7*x8^2*x9 - 2*x11*x7*x8^2*x9 - x10*x7*x9^2 + 
      x10*x11*x7*x9^2 + 2*x10*x11*x8*x9^2 + 2*x7*x8*x9^2 + 3*x10*x7*x8*x9^2 - 
      2*x11*x7*x8*x9^2 - 2*x8^2*x9^2 - 2*x10*x8^2*x9^2 - 2*x11*x8^2*x9^2 - 
      2*x7*x8^2*x9^2 + 2*x8^3*x9^2)*\[Epsilon])/(4*x9*(-x10 - x7 + x8 + x9)*
     (-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x7*(x10^3*x7 + x10^2*x7^2 - 2*x10^3*x7^2 + x10^2*x11*x7^2 - 
       2*x10^2*x7^3 + x10^3*x7^3 + x10*x11*x7^3 - x10^2*x11*x7^3 + 
       x10^2*x7^4 - x10*x11*x7^4 - x10^2*x7*x8 + 2*x10^2*x7^2*x8 - 
       x10*x11*x7^2*x8 - x10^2*x7^3*x8 + x10*x11*x7^3*x8 - 3*x10^2*x7*x9 + 
       3*x10^2*x11*x7*x9 - x10*x7^2*x9 + 5*x10^2*x7^2*x9 + x10*x11*x7^2*x9 - 
       x10^2*x11*x7^2*x9 + x10*x7^3*x9 - 2*x10^2*x7^3*x9 + x10*x11*x7^3*x9 + 
       x10*x7*x8*x9 + x10^2*x7*x8*x9 - 5*x10*x11*x7*x8*x9 - 
       x10^2*x7^2*x8*x9 - 2*x11*x7^2*x8*x9 + 3*x10*x11*x7^2*x8*x9 - 
       x10*x7^3*x8*x9 + 2*x11*x7^3*x8*x9 - x10*x7*x8^2*x9 + 
       2*x11*x7*x8^2*x9 + x10*x7^2*x8^2*x9 - 2*x11*x7^2*x8^2*x9 + 
       2*x10*x7*x9^2 - x10^2*x7*x9^2 - 2*x10*x11*x7*x9^2 + 
       2*x10^2*x11*x7*x9^2 - 2*x10*x7^2*x9^2 + x10^2*x7^2*x9^2 + 
       x10*x11*x7^2*x9^2 + x10*x8*x9^2 + x10^2*x8*x9^2 - 2*x10*x11*x8*x9^2 - 
       3*x10*x7*x8*x9^2 - x10^2*x7*x8*x9^2 + x11*x7*x8*x9^2 - 
       3*x10*x11*x7*x8*x9^2 + 2*x10*x7^2*x8*x9^2 - 4*x11*x7^2*x8*x9^2 - 
       x10*x8^2*x9^2 + 2*x11*x8^2*x9^2 + x10*x7*x8^2*x9^2 + 
       x11*x7*x8^2*x9^2 + x10*x7*x9^3 - x10*x11*x7*x9^3 - x8*x9^3 - 
       x10*x8*x9^3 + x11*x8*x9^3 - x10*x11*x8*x9^3 - x10*x7*x8*x9^3 + 
       2*x11*x7*x8*x9^3 + 2*x8^2*x9^3 + x10*x8^2*x9^3 + x11*x8^2*x9^3 - 
       x8^3*x9^3)*\[Epsilon])/(2*(-1 + x7 - x9)*(x10 + x7 - x8 - x9)*x9*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   ((x10^2*x7 - 2*x10^2*x7^2 + x10*x11*x7^2 + x10^2*x7^3 - x10*x11*x7^3 - 
      3*x10*x7*x9 - x10^2*x7*x9 + 3*x10*x11*x7*x9 + 3*x10*x7^2*x9 + 
      x10^2*x7^2*x9 + 3*x10*x7*x8*x9 - 2*x11*x7*x8*x9 - 3*x10*x7^2*x8*x9 + 
      2*x11*x7^2*x8*x9 - x10*x7*x9^2 + x10*x11*x7*x9^2 + 2*x8*x9^2 + 
      2*x10*x8*x9^2 - 2*x11*x8*x9^2 - 2*x7*x8*x9^2 - x10*x7*x8*x9^2 - 
      2*x11*x7*x8*x9^2 - 2*x8^2*x9^2 + 2*x7*x8^2*x9^2)*\[Epsilon])/
    (4*(-1 + x7 - x9)*x9*(x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 
      2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 
      2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 
      2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 
      2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 
      2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((-(x10^2*x7) + x10^2*x11*x7 + x10^2*x7^2 - x10*x11*x7^2 - 
       x10^2*x11*x7^2 + x10*x11^2*x7^2 + 2*x10^2*x8 - 3*x10^2*x7*x8 + 
       2*x10*x11*x7*x8 + x10^2*x7^2*x8 - x10*x11*x7^2*x8 - x10*x7*x9 + 
       2*x10*x11*x7*x9 - x10*x11^2*x7*x9 - 2*x10*x8*x9 + 2*x10*x11*x8*x9 + 
       4*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + 4*x10*x11*x7*x8*x9 - 
       2*x11^2*x7*x8*x9 + 2*x10*x8^2*x9 - 4*x11*x8^2*x9 - 3*x10*x7*x8^2*x9 + 
       2*x11*x7*x8^2*x9 + 2*x8*x9^2 - 4*x11*x8*x9^2 + 2*x11^2*x8*x9^2 - 
       4*x8^2*x9^2 - 4*x11*x8^2*x9^2 + 2*x8^3*x9^2)*\[Epsilon])/
    (2*x9*(x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x11*x9*(x10^2*x7 - 2*x10*x11*x7 - 2*x10^2*x11*x7 + 2*x10*x11^2*x7 - 
      x10^2*x7^2 + x10*x11*x7^2 - x10^2*x8 + x10*x11*x8 + x10^2*x7*x8 - 
      x11^2*x7*x8 - x10*x7*x9 + x10*x11*x7*x9 + x10*x8*x9 + x11*x8*x9 + 
      x10*x11*x8*x9 - x11^2*x8*x9 + x10*x7*x8*x9 - 2*x11*x7*x8*x9 - 
      x10*x8^2*x9 + x11*x8^2*x9)*\[Epsilon])/(2*(-x10 + x11 + x9)*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(((-x7 + x11*x7 + x7^2 + x8 - x7*x8)*(x10^2 - x10^2*x7 + x10*x11*x7 - 
       x10*x9 + x10*x11*x9 + x10*x8*x9 - 2*x11*x8*x9)*\[Epsilon])/
     (x9*(x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
       2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
       2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
       4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
       x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2))), 
   ((-(x10*x7) + x8*x9)*(x10^2 + x10*x7 - x10^2*x7 + x10*x11*x7 - x10*x7^2 + 
      x11*x7^2 - x10*x8 + x10*x7*x8 - x11*x7*x8 - x10*x9 + x10*x11*x9 + 
      x7*x9 + 2*x10*x7*x9 - x11*x7*x9 - x8*x9 - x10*x8*x9 - x11*x8*x9 - 
      x7*x8*x9 + x8^2*x9)*\[Epsilon])/(2*x9*(-x10 - x7 + x8 + x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x10^2*(-(x10*x7) + x10*x7^2 - x11*x7^2 - x7*x9 + x11*x7*x9 + 2*x8*x9 - 
      x7*x8*x9)*\[Epsilon])/(2*x9*(x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 
      2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 
      2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 
      2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 
      2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 
      2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x9*(-2*x10*x7 - x10^2*x7 + 2*x10*x11*x7 + 2*x10*x7^2 + x10^2*x7^2 - 
      x10*x11*x7^2 + x10*x8 - x11*x7*x8 - x10*x7^2*x8 + x11*x7^2*x8 - 
      x10*x7*x9 + x10*x11*x7*x9 + x8*x9 + 2*x10*x8*x9 - x11*x8*x9 - 
      x7*x8*x9 - x10*x7*x8*x9 - x11*x7*x8*x9 - x8^2*x9 + x7*x8^2*x9)*
     \[Epsilon])/(2*(-1 + x7 - x9)*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((-(x10^2*x7*x9) + x10^2*x11*x7*x9 + x10^2*x7^2*x9 + x10*x11*x7^2*x9 + 
      x10^2*x11*x7^2*x9 - x10*x11^2*x7^2*x9 + x10^2*x7*x8*x9 - 
      2*x10*x11*x7*x8*x9 - x10^2*x7^2*x8*x9 + x10*x11*x7^2*x8*x9 + 
      x10*x7*x9^2 - 2*x10*x11*x7*x9^2 + x10*x11^2*x7*x9^2 + x10*x8*x9^2 - 
      x10*x11*x8*x9^2 - 3*x10*x7*x8*x9^2 - x11*x7*x8*x9^2 - 
      3*x10*x11*x7*x8*x9^2 + x11^2*x7*x8*x9^2 - x10*x8^2*x9^2 + 
      2*x11*x8^2*x9^2 + 2*x10*x7*x8^2*x9^2 - x11*x7*x8^2*x9^2 - x8*x9^3 + 
      2*x11*x8*x9^3 - x11^2*x8*x9^3 + 2*x8^2*x9^3 + 2*x11*x8^2*x9^3 - 
      x8^3*x9^3 + x10^3*x7*\[Epsilon] - 2*x10^3*x7^2*\[Epsilon] + 
      2*x10^2*x11*x7^2*\[Epsilon] + x10^3*x7^3*\[Epsilon] - 
      2*x10^2*x11*x7^3*\[Epsilon] + x10*x11^2*x7^3*\[Epsilon] - 
      2*x10^2*x8*x9*\[Epsilon] + 4*x10^2*x7*x8*x9*\[Epsilon] - 
      4*x10*x11*x7*x8*x9*\[Epsilon] - 2*x10^2*x7^2*x8*x9*\[Epsilon] + 
      4*x10*x11*x7^2*x8*x9*\[Epsilon] - 2*x11^2*x7^2*x8*x9*\[Epsilon] - 
      x10*x7*x9^2*\[Epsilon] + 2*x10*x11*x7*x9^2*\[Epsilon] - 
      x10*x11^2*x7*x9^2*\[Epsilon] + 2*x10*x8*x9^2*\[Epsilon] - 
      2*x10*x11*x8*x9^2*\[Epsilon] - 2*x11*x7*x8*x9^2*\[Epsilon] + 
      2*x11^2*x7*x8*x9^2*\[Epsilon] - 2*x10*x8^2*x9^2*\[Epsilon] + 
      4*x11*x8^2*x9^2*\[Epsilon] + x10*x7*x8^2*x9^2*\[Epsilon] - 
      2*x11*x7*x8^2*x9^2*\[Epsilon])/(x9*(x10*x7 - x8*x9)*
      (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
       x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
       2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
       2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
       2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)))}}, 
 {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, -((1 + \[Epsilon])/x10), 0, 0, 
   0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {\[Epsilon]/((x10 - x11)*(x10 - x11 - x9)), 
   -(((2*x10 - x11 - x9)*\[Epsilon])/((x10 - x11)*(x10 - x9)*
      (x10 - x11 - x9))), \[Epsilon]/((x10 - x9)*(x10 - x11 - x9)), 0, 0, 0, 
   0, \[Epsilon]/(x10 - x11 - x9), 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, -(((x10^2*x7 - 2*x10*x8*x9 - x7*x8*x9 + x8^2*x9 + x8*x9^2)*\[Epsilon])/
     ((x10 - x8)*(x10 - x9)*(x10 + x7 - x8 - x9)*(x10*x7 - x8*x9))), 
   ((x7 - x8)*x9*\[Epsilon])/((x10 - x9)*(x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)), -((x8*(x7 - x9)*\[Epsilon])/
     ((-x10 + x8)*(-x10 - x7 + x8 + x9)*(-(x10*x7) + x8*x9))), 
   (x7*\[Epsilon])/((x10 + x7 - x8 - x9)*(x10*x7 - x8*x9)), 0, 0, 0, 0, 
   -((x10*x7 + x7^2 - x7*x8 - x7*x9 + x7^2*\[Epsilon] - x7*x8*\[Epsilon] - 
      x7*x9*\[Epsilon] + x8*x9*\[Epsilon])/((x10 + x7 - x8 - x9)*
      (x10*x7 - x8*x9))), 0, 0, 0}, 
  {(x11*(x10 + x11 + x10*x11 - x11^2 - x10*x8 + x11*x8)*\[Epsilon])/
    (2*x10*(x10 - x11)*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 
   -(((x10^2 - x11*x8)*\[Epsilon])/((x10 - x11)*(x10 - x8)*
      (x10 + x10^2 - x10*x11 - x10*x8 + x11*x8))), 0, 
   (x8*(x10 - x10*x11 + x8 + x10*x8 + x11*x8 - x8^2)*\[Epsilon])/
    (2*x10*(x10 - x8)*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 0, 
   ((1 + 2*x10 - x11 - x8)*\[Epsilon])/(2*x10*(x10 + x10^2 - x10*x11 - 
      x10*x8 + x11*x8)), ((1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)*
     \[Epsilon])/(x10*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 0, 0, 0, 
   -((x10 + x10^2 - x10*x11 - x10*x8 + x11*x8 + x10*\[Epsilon] - 
      x10*x11*\[Epsilon] - x10*x8*\[Epsilon] + 2*x11*x8*\[Epsilon])/
     (x10*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8))), 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {-(x11*(2*x10^3*x7 + x10^4*x7 - x10^3*x11*x7 - 2*x10^3*x7^2 - x10^4*x7^2 + 
       2*x10*x11^2*x7^2 + 3*x10^2*x11^2*x7^2 - 2*x10*x11^3*x7^2 - 
       2*x10^3*x7*x8 + 3*x10^2*x11*x7*x8 - x10*x11^2*x7*x8 + 
       2*x10^3*x7^2*x8 - 3*x10^2*x11*x7^2*x8 + x11^3*x7^2*x8 - 
       4*x10^2*x7*x9 - 2*x10^3*x7*x9 + 2*x10*x11*x7*x9 + 9*x10^2*x11*x7*x9 + 
       3*x10^3*x11*x7*x9 - 4*x10*x11^2*x7*x9 - 5*x10^2*x11^2*x7*x9 + 
       2*x10*x11^3*x7*x9 + 4*x10^2*x7^2*x9 + 3*x10^3*x7^2*x9 + 
       2*x10*x11*x7^2*x9 - x10^2*x11*x7^2*x9 - 2*x10*x11^2*x7^2*x9 - 
       x10^2*x8*x9 - x10*x11*x8*x9 - x10^2*x11*x8*x9 + x10*x11^2*x8*x9 + 
       5*x10^2*x7*x8*x9 - x10^3*x7*x8*x9 - 8*x10*x11*x7*x8*x9 + 
       x10*x11^2*x7*x8*x9 - 4*x10^2*x7^2*x8*x9 + 3*x10*x11*x7^2*x8*x9 + 
       x11^2*x7^2*x8*x9 + x10^2*x8^2*x9 - x10*x11*x8^2*x9 - 
       x10^2*x7*x8^2*x9 + 3*x10*x11*x7*x8^2*x9 - 2*x11^2*x7*x8^2*x9 + 
       2*x10*x7*x9^2 + x10^2*x7*x9^2 - 4*x10*x11*x7*x9^2 - 
       x10^2*x11*x7*x9^2 + 2*x10*x11^2*x7*x9^2 + 2*x10*x8*x9^2 - 
       x11*x8*x9^2 - 5*x10*x11*x8*x9^2 - 2*x10^2*x11*x8*x9^2 + 
       2*x11^2*x8*x9^2 + 3*x10*x11^2*x8*x9^2 - x11^3*x8*x9^2 - 
       7*x10*x7*x8*x9^2 - 3*x10^2*x7*x8*x9^2 + x10*x11*x7*x8*x9^2 - 
       x10*x8^2*x9^2 + 2*x10^2*x8^2*x9^2 + 4*x11*x8^2*x9^2 - 
       2*x10*x11*x8^2*x9^2 + 5*x10*x7*x8^2*x9^2 - 4*x11*x7*x8^2*x9^2 - 
       x10*x8^3*x9^2 + x11*x8^3*x9^2 - x8*x9^3 + 2*x11*x8*x9^3 - 
       x11^2*x8*x9^3 + 2*x8^2*x9^3 + 2*x11*x8^2*x9^3 - x8^3*x9^3)*\[Epsilon])/
    (4*(-x10 - x10^2 + x10*x11 + x10*x8 - x11*x8)*(-x10 + x11 + x9)*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x10*(x10^3 - 2*x10^3*x7 + x10*x11*x7 + 3*x10^2*x11*x7 - x10*x11^2*x7 + 
      x10^3*x7^2 - x10*x11*x7^2 - 3*x10^2*x11*x7^2 + x11^2*x7^2 + 
      3*x10*x11^2*x7^2 - x11^3*x7^2 - x10*x11*x8 + x10*x11*x7*x8 - 
      x11^2*x7*x8 - 3*x10^2*x9 + x10*x11*x9 + 3*x10^2*x11*x9 - x10*x11^2*x9 - 
      x10*x7*x9 + 3*x10^2*x7*x9 + x11*x7*x9 + 4*x10*x11*x7*x9 + 
      3*x10^2*x11*x7*x9 - 3*x11^2*x7*x9 - 5*x10*x11^2*x7*x9 + 2*x11^3*x7*x9 + 
      x10*x7^2*x9 + x11*x7^2*x9 + x10*x11*x7^2*x9 - x11^2*x7^2*x9 + 
      x10*x8*x9 + 3*x10^2*x8*x9 - x11*x8*x9 - 10*x10*x11*x8*x9 + 
      3*x11^2*x8*x9 - 3*x10^2*x7*x8*x9 - 4*x11*x7*x8*x9 + 
      4*x10*x11*x7*x8*x9 - x11^2*x7*x8*x9 - x10*x7^2*x8*x9 + x11*x7^2*x8*x9 - 
      x10*x8^2*x9 + 3*x11*x8^2*x9 + x10*x7*x8^2*x9 - x11*x7*x8^2*x9 + 
      3*x10*x9^2 - x11*x9^2 - 5*x10*x11*x9^2 + 2*x11^2*x9^2 + 
      2*x10*x11^2*x9^2 - x11^3*x9^2 + x7*x9^2 - x10*x7*x9^2 - 3*x11*x7*x9^2 - 
      x10*x11*x7*x9^2 + 2*x11^2*x7*x9^2 - x8*x9^2 - 5*x10*x8*x9^2 + 
      6*x11*x8*x9^2 - 4*x10*x11*x8*x9^2 + x11^2*x8*x9^2 - 2*x7*x8*x9^2 + 
      x10*x7*x8*x9^2 - 3*x11*x7*x8*x9^2 + 2*x8^2*x9^2 + 2*x10*x8^2*x9^2 + 
      x11*x8^2*x9^2 + x7*x8^2*x9^2 - x8^3*x9^2 - x9^3 + 2*x11*x9^3 - 
      x11^2*x9^3 + 2*x8*x9^3 + 2*x11*x8*x9^3 - x8^2*x9^3)*\[Epsilon])/
    (2*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*(x10 - x11 - x9)*
     (x10 + x7 - x8 - x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x9*(x10*x11 - x10*x7 + 2*x11*x7 + x10*x11*x7 - x11^2*x7 + x10*x7^2 - 
       x11*x7^2 + x10*x8 - 2*x11*x8 - x10*x7*x8 + x11*x7*x8 - x11*x9 + 
       x11^2*x9 + x7*x9 + x11*x7*x9 - x8*x9 - 2*x11*x8*x9 - x7*x8*x9 + 
       x8^2*x9)*\[Epsilon])/(2*(x10 - x11 - x9)*(x10 + x7 - x8 - x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x8*(x10^4*x7 + 2*x10^2*x7^2 + 3*x10^3*x7^2 - x10^4*x7^2 - 
       4*x10^2*x11*x7^2 - x10^3*x11*x7^2 + 2*x10^2*x11^2*x7^2 - 
       2*x10^2*x7^3 - 3*x10^3*x7^3 + 3*x10^2*x11*x7^3 - 2*x10^2*x7*x8 - 
       3*x10^3*x7*x8 + x10^2*x11*x7*x8 + 3*x10^3*x7^2*x8 + x10*x11*x7^2*x8 - 
       3*x10*x11^2*x7^2*x8 + 2*x10^2*x7^3*x8 - x10*x11*x7^3*x8 - 
       x11^2*x7^3*x8 + 2*x10^2*x7*x8^2 - x10*x11*x7*x8^2 - 
       2*x10^2*x7^2*x8^2 + x10*x11*x7^2*x8^2 + x11^2*x7^2*x8^2 - 
       2*x10^3*x7*x9 + 2*x10^2*x11*x7*x9 + 3*x10^3*x11*x7*x9 - 
       2*x10^2*x11^2*x7*x9 + x10^2*x7^2*x9 + 3*x10^3*x7^2*x9 - 
       2*x10^2*x11*x7^2*x9 + x10^2*x8*x9 - x10^2*x11*x8*x9 - x10*x7*x8*x9 - 
       4*x10^2*x7*x8*x9 - x10^3*x7*x8*x9 + 2*x10*x11*x7*x8*x9 - 
       4*x10^2*x11*x7*x8*x9 + 2*x10*x11^2*x7*x8*x9 + x10*x7^2*x8*x9 + 
       x10^2*x7^2*x8*x9 - 2*x11*x7^2*x8*x9 - 6*x10*x11*x7^2*x8*x9 + 
       3*x11^2*x7^2*x8*x9 + x10*x8^2*x9 + x10^2*x8^2*x9 + x10*x11*x8^2*x9 + 
       2*x11*x7*x8^2*x9 + 3*x10*x11*x7*x8^2*x9 - x10*x7^2*x8^2*x9 + 
       2*x11*x7^2*x8^2*x9 - x10*x8^3*x9 + x10*x7*x8^3*x9 - 2*x11*x7*x8^3*x9 + 
       x10^2*x7*x9^2 - x10^2*x11*x7*x9^2 - 2*x10*x8*x9^2 + x10*x11*x8*x9^2 - 
       2*x10^2*x11*x8*x9^2 + x10*x11^2*x8*x9^2 - x7*x8*x9^2 - 
       x10*x7*x8*x9^2 - 3*x10^2*x7*x8*x9^2 + 4*x11*x7*x8*x9^2 + 
       7*x10*x11*x7*x8*x9^2 - 3*x11^2*x7*x8*x9^2 + x8^2*x9^2 + 
       5*x10*x8^2*x9^2 + 2*x10^2*x8^2*x9^2 - 4*x11*x8^2*x9^2 + 
       2*x10*x11*x8^2*x9^2 - x11^2*x8^2*x9^2 + 2*x7*x8^2*x9^2 + 
       x10*x7*x8^2*x9^2 - 2*x8^3*x9^2 - 3*x10*x8^3*x9^2 - x7*x8^3*x9^2 + 
       x8^4*x9^2 + x8*x9^3 - 2*x11*x8*x9^3 + x11^2*x8*x9^3 - 2*x8^2*x9^3 - 
       2*x11*x8^2*x9^3 + x8^3*x9^3)*\[Epsilon])/
    (4*(-x10 - x10^2 + x10*x11 + x10*x8 - x11*x8)*(-x10 - x7 + x8 + x9)*
     (-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x7*(x7 - x9)*(-(x10*x7) + 2*x10*x11*x7 + x10*x7^2 + x11*x7^2 + x10*x8 - 
      x10*x7*x8 - x11*x7*x8 + x7*x9 - x11*x7*x9 - x8*x9 - x11*x8*x9 - 
      x7*x8*x9 + x8^2*x9)*\[Epsilon])/(2*(x10 + x7 - x8 - x9)*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   ((-(x10^3*x7) + x10^3*x7^2 - 2*x10*x11*x7^2 - 3*x10^2*x11*x7^2 + 
      2*x10*x11^2*x7^2 + x10*x11*x7*x8 + x10*x11*x7^2*x8 - x11^2*x7^2*x8 - 
      2*x10*x7*x9 - x10^2*x7*x9 + 4*x10*x11*x7*x9 + x10^2*x11*x7*x9 - 
      2*x10*x11^2*x7*x9 + x10*x8*x9 + 2*x10^2*x8*x9 - x10*x11*x8*x9 + 
      3*x10*x7*x8*x9 - x10^2*x7*x8*x9 + 3*x10*x11*x7*x8*x9 - x10*x8^2*x9 - 
      x10*x7*x8^2*x9 + x8*x9^2 - 2*x11*x8*x9^2 + x11^2*x8*x9^2 - 
      2*x8^2*x9^2 - 2*x11*x8^2*x9^2 + x8^3*x9^2)*\[Epsilon])/
    (4*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*(x10*x7 - x8*x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((2*x10^2*x7 + x10^3*x7 - 4*x10^2*x11*x7 - x10^3*x11*x7 + 
       2*x10^2*x11^2*x7 - 2*x10^2*x7^2 - x10^3*x7^2 + 3*x10^2*x11*x7^2 + 
       x10^3*x11*x7^2 - x10^2*x11^2*x7^2 - 2*x10^2*x8 - 2*x10^3*x8 + 
       2*x10^2*x11*x8 + 3*x10^3*x7*x8 + 3*x10*x11*x7*x8 - 2*x10^2*x11*x7*x8 - 
       3*x10*x11^2*x7*x8 + 2*x10^2*x7^2*x8 - x10^3*x7^2*x8 - 
       3*x10*x11*x7^2*x8 + x10^2*x11*x7^2*x8 - x11^2*x7^2*x8 - 
       x10*x11^2*x7^2*x8 + x11^3*x7^2*x8 + 2*x10^2*x8^2 - 2*x10*x11*x8^2 - 
       2*x10^2*x7*x8^2 + x10*x11*x7*x8^2 + 2*x11^2*x7*x8^2 + 
       x10*x11*x7^2*x8^2 - x11^2*x7^2*x8^2 + x10^2*x7*x9 - 
       2*x10^2*x11*x7*x9 + x10^2*x11^2*x7*x9 + x10*x8*x9 + 2*x10^2*x8*x9 - 
       2*x10*x11*x8*x9 - 2*x10^2*x11*x8*x9 + x10*x11^2*x8*x9 - x10*x7*x8*x9 - 
       4*x10^2*x7*x8*x9 - 2*x11*x7*x8*x9 - 2*x10*x11*x7*x8*x9 - 
       4*x10^2*x11*x7*x8*x9 + 4*x11^2*x7*x8*x9 + 3*x10*x11^2*x7*x8*x9 - 
       2*x11^3*x7*x8*x9 - 2*x10*x8^2*x9 - 2*x10^2*x8^2*x9 + 2*x11*x8^2*x9 + 
       6*x10*x11*x8^2*x9 - 2*x11^2*x8^2*x9 + 2*x10*x7*x8^2*x9 + 
       3*x10^2*x7*x8^2*x9 + 2*x11*x7*x8^2*x9 - 2*x10*x11*x7*x8^2*x9 + 
       2*x11^2*x7*x8^2*x9 + x10*x8^3*x9 - 2*x11*x8^3*x9 - x10*x7*x8^3*x9 - 
       x8*x9^2 - 2*x10*x8*x9^2 + 3*x11*x8*x9^2 + 4*x10*x11*x8*x9^2 - 
       3*x11^2*x8*x9^2 - 2*x10*x11^2*x8*x9^2 + x11^3*x8*x9^2 + 3*x8^2*x9^2 + 
       4*x10*x8^2*x9^2 - 2*x11*x8^2*x9^2 + 4*x10*x11*x8^2*x9^2 - 
       x11^2*x8^2*x9^2 - 3*x8^3*x9^2 - 2*x10*x8^3*x9^2 - x11*x8^3*x9^2 + 
       x8^4*x9^2)*\[Epsilon])/(2*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x11*x9*(-(x10*x11*x7) + x10*x11*x7^2 - x11^2*x7^2 + x10*x7*x9 - 
      x11*x7*x9 - 2*x10*x11*x7*x9 + x11^2*x7*x9 - x10*x7^2*x9 - x11*x7^2*x9 - 
      x10*x8*x9 + 2*x11*x8*x9 + x10*x7*x8*x9 - x7*x9^2 + x11*x7*x9^2 + 
      x8*x9^2 + x11*x8*x9^2 + x7*x8*x9^2 - x8^2*x9^2)*\[Epsilon])/
    (2*(-x10 + x11 + x9)*(-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 
      2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 
      2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 
      2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 
      2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 
      2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(((-x7 + x11*x7 + x7^2 + x8 - x7*x8)*(-x10 + x10*x7 + x11*x7 + x9 - 
       x11*x9 - x8*x9)*\[Epsilon])/((x10*x7 - x8*x9)*
      (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
       x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
       2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
       2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
       2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2))), 
   ((x10*x7 - x8*x9)*(-x10 - 2*x7 + x10*x7 + x11*x7 + 2*x7^2 + 2*x8 - 
      2*x7*x8 + x9 - x11*x9 - 2*x7*x9 + x8*x9)*\[Epsilon])/
    (2*(x10 + x7 - x8 - x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x10*(-2*x10^2*x7 - x10^3*x7 + 2*x10^2*x11*x7 + 2*x10^2*x7^2 + 
       x10^3*x7^2 - x10^2*x11*x7^2 + 2*x10^2*x7*x8 - 3*x10*x11*x7*x8 - 
       2*x10^2*x7^2*x8 + 3*x10*x11*x7^2*x8 - x11^2*x7^2*x8 - x10^2*x7*x9 + 
       x10^2*x11*x7*x9 + 3*x10*x8*x9 + 2*x10^2*x8*x9 - 3*x10*x11*x8*x9 - 
       3*x10*x7*x8*x9 - x10^2*x7*x8*x9 - 2*x11*x7*x8*x9 - 
       3*x10*x11*x7*x8*x9 + 2*x11^2*x7*x8*x9 - 3*x10*x8^2*x9 + 
       4*x11*x8^2*x9 + 3*x10*x7*x8^2*x9 - 2*x11*x7*x8^2*x9 - x8*x9^2 + 
       2*x11*x8*x9^2 - x11^2*x8*x9^2 + 2*x8^2*x9^2 + 2*x11*x8^2*x9^2 - 
       x8^3*x9^2)*\[Epsilon])/(2*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*
     (x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x9*(x10*x7 - x10*x7^2 + x11*x7^2 + x7*x9 - x11*x7*x9 - 2*x8*x9 + 
      x7*x8*x9)*\[Epsilon])/(2*(-(x10*x7) + x8*x9)*(x10^2 - 2*x10^2*x7 + 
      2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 
      2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 
      2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 
      2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 
      2*x11*x8*x9^2 + x8^2*x9^2)), (-(x10^2*x7) + 2*x10^2*x7^2 - 
     x10*x11*x7^2 - x10^2*x7^3 + x10*x11*x7^3 + x10*x7*x9 - x10*x11*x7*x9 - 
     x10*x7^2*x9 - x10*x11*x7^2*x9 + x10*x8*x9 - 3*x10*x7*x8*x9 + 
     x11*x7*x8*x9 + 2*x10*x7^2*x8*x9 - x11*x7^2*x8*x9 - x8*x9^2 + 
     x11*x8*x9^2 + x7*x8*x9^2 + x11*x7*x8*x9^2 + x8^2*x9^2 - x7*x8^2*x9^2 + 
     x10^2*x7*\[Epsilon] - 2*x10^2*x7^2*\[Epsilon] + x10^2*x7^3*\[Epsilon] - 
     x11^2*x7^3*\[Epsilon] - 2*x11*x7^2*x9*\[Epsilon] + 
     2*x11^2*x7^2*x9*\[Epsilon] - 2*x10*x8*x9*\[Epsilon] + 
     4*x10*x7*x8*x9*\[Epsilon] + 2*x11*x7*x8*x9*\[Epsilon] - 
     2*x10*x7^2*x8*x9*\[Epsilon] - x7*x9^2*\[Epsilon] + 
     2*x11*x7*x9^2*\[Epsilon] - x11^2*x7*x9^2*\[Epsilon] + 
     2*x8*x9^2*\[Epsilon] - 2*x11*x8*x9^2*\[Epsilon] - 
     2*x8^2*x9^2*\[Epsilon] + x7*x8^2*x9^2*\[Epsilon])/
    ((x10*x7 - x8*x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2))}}, 
 {{-((1 + \[Epsilon])/x11), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
   0, 0}, {(x11*\[Epsilon])/(1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2), 0, 
   0, -(x8*(-1 + x11 + x8)*\[Epsilon])/(2*x11*(1 - 2*x11 + x11^2 - 2*x8 - 
      2*x11*x8 + x8^2)), 0, -((1 + x11 - x8)*\[Epsilon])/
    (2*x11*(1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 
   (x11 - x11^2 + x11*x8 - \[Epsilon] + x11^2*\[Epsilon] + 2*x8*\[Epsilon] - 
     x8^2*\[Epsilon])/(x11*(1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 0, 
   0, 0, 0, 0, 0}, {-(\[Epsilon]/((x10 - x11)*(x10 - x11 - x9))), 
   (x10*\[Epsilon])/((x10 - x11)*x11*(x10 - x11 - x9)), 
   \[Epsilon]/(x11*(-x10 + x11 + x9)), 0, 0, 0, 0, 
   -((-x10 + x11 + x9 - x10*\[Epsilon] + x9*\[Epsilon])/
     (x11*(-x10 + x11 + x9))), 0, 0, 0, 0, 0}, 
  {-(x11*(-x7 + x11*x7 + 2*x8 - x7*x8)*\[Epsilon])/
    (2*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)*(1 - 2*x11 + x11^2 - 2*x8 - 
      2*x11*x8 + x8^2)), 0, 0, (x8^2*(-1 + x11 + x7 + x11*x7 + x8 - x7*x8)*
     \[Epsilon])/(2*x11*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)*
     (1 - 2*x11 + x11^2 - 2*x8 - 2*x11*x8 + x8^2)), 
   (x7^2*\[Epsilon])/(2*x11*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)), 
   ((-x7 + x11*x7 + x8 + x11*x8 + x7*x8 - x8^2)*\[Epsilon])/
    (2*x11*(-x7 + x11*x7 + x7^2 + x8 - x7*x8)*(1 - 2*x11 + x11^2 - 2*x8 - 
      2*x11*x8 + x8^2)), -(((-1 + x11 + 2*x7 - x8)*x8*(-1 + 2*\[Epsilon]))/
     ((-x7 + x11*x7 + x7^2 + x8 - x7*x8)*(1 - 2*x11 + x11^2 - 2*x8 - 
       2*x11*x8 + x8^2))), 0, -((x11*x7 - x7*\[Epsilon] + x7^2*\[Epsilon] + 
      x8*\[Epsilon] - x7*x8*\[Epsilon])/(x11*(-x7 + x11*x7 + x7^2 + x8 - 
       x7*x8))), 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {-((x10 + x10^2 + x11 - x10*x11 - x10*x8 + x11*x8)*\[Epsilon])/
    (2*(x10 - x11)*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 
   (x10*\[Epsilon])/((x10 - x11)*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 
   0, -((1 + x10 - x8)*x8*\[Epsilon])/(2*x11*(-x10 - x10^2 + x10*x11 + 
      x10*x8 - x11*x8)), 0, ((1 + x10 - x8)*\[Epsilon])/
    (2*x11*(-x10 - x10^2 + x10*x11 + x10*x8 - x11*x8)), 
   ((1 + x10 - x11 + x10*x11 - 2*x8 - x10*x8 - x11*x8 + x8^2)*\[Epsilon])/
    (x11*(-x10 - x10^2 + x10*x11 + x10*x8 - x11*x8)), 0, 0, 0, 
   -(((x10 - x8)*\[Epsilon])/(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)), 0, 
   0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
  {-((-x10^3 - x10^4 - x10^2*x11 + x10^3*x11 + x10^3*x7 + x10^4*x7 + 
       2*x10^2*x11*x7 - 3*x10*x11^2*x7 - 3*x10^2*x11^2*x7 + 2*x10*x11^3*x7 + 
       x10^3*x8 - x10^2*x11*x8 - x10^3*x7*x8 + 3*x10*x11^2*x7*x8 - 
       2*x11^3*x7*x8 + 2*x10^2*x9 + 2*x10^3*x9 + x10*x11*x9 - 
       6*x10^2*x11*x9 - 3*x10^3*x11*x9 + x10*x11^2*x9 + 5*x10^2*x11^2*x9 - 
       2*x10*x11^3*x9 - x10^2*x7*x9 - x10^3*x7*x9 - 5*x10*x11*x7*x9 - 
       3*x10^2*x11*x7*x9 + 4*x10*x11^2*x7*x9 - 3*x10^2*x8*x9 - x10^3*x8*x9 + 
       4*x10*x11*x8*x9 + 6*x10^2*x11*x8*x9 + 2*x11^2*x8*x9 - 
       7*x10*x11^2*x8*x9 + 2*x11^3*x8*x9 + x10^2*x7*x8*x9 + 
       3*x10*x11*x7*x8*x9 - 4*x11^2*x7*x8*x9 + x10^2*x8^2*x9 - 
       3*x10*x11*x8^2*x9 + 2*x11^2*x8^2*x9 - x10*x9^2 - x10^2*x9^2 + 
       5*x10*x11*x9^2 + 3*x10^2*x11*x9^2 - 4*x10*x11^2*x9^2 + 2*x10*x8*x9^2 + 
       x10^2*x8*x9^2 - 3*x10*x11*x8*x9^2 + 4*x11^2*x8*x9^2 - x10*x8^2*x9^2)*
      \[Epsilon])/(4*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*
     (x10 - x11 - x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x10*(x10^2 - x10^2*x7 + x10*x11*x7 - x10*x9 + x10^2*x9 + x10*x11*x9 + 
       2*x10*x7*x9 + x10^2*x7*x9 - x10*x11*x7*x9 - 2*x11*x8*x9 - 
       x10*x7*x8*x9 + x11*x7*x8*x9 - x10*x9^2 + x10*x11*x9^2 - x8*x9^2 - 
       x10*x8*x9^2 - x11*x8*x9^2 + x8^2*x9^2)*\[Epsilon])/
    (2*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*(x10 - x11 - x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x9*(x10 + x10*x7 - x11*x7 - x9 + x11*x9 - x8*x9)*\[Epsilon])/
    (2*(-x10 + x11 + x9)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x8*(-x10^2 - x10^3 + x10^2*x7 + x10^3*x7 + x10*x11*x7 + x10^2*x11*x7 - 
      2*x10*x11^2*x7 + x10^2*x8 - x10^2*x7*x8 - x10*x11*x7*x8 + 
      2*x11^2*x7*x8 + x10*x9 + x10^2*x9 - 3*x10*x11*x9 - 3*x10^2*x11*x9 + 
      2*x10*x11^2*x9 - 2*x10*x8*x9 - x10^2*x8*x9 + 2*x11*x8*x9 + 
      5*x10*x11*x8*x9 - 2*x11^2*x8*x9 + x10*x8^2*x9 - 2*x11*x8^2*x9)*
     \[Epsilon])/(4*x11*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -((x7*(x7 - x9)*\[Epsilon])/(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + 
      x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 
      2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 
      2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 
      2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   ((-x10^2 - x10^3 + x10^2*x7 + x10^3*x7 - 3*x10*x11*x7 - 3*x10^2*x11*x7 + 
      2*x10*x11^2*x7 + x10^2*x8 - x10^2*x7*x8 + 3*x10*x11*x7*x8 - 
      2*x11^2*x7*x8 + x10*x9 + x10^2*x9 + x10*x11*x9 + x10^2*x11*x9 - 
      2*x10*x11^2*x9 - 2*x10*x8*x9 - x10^2*x8*x9 + 2*x11*x8*x9 + 
      x10*x11*x8*x9 + 2*x11^2*x8*x9 + x10*x8^2*x9 - 2*x11*x8^2*x9)*
     \[Epsilon])/(4*x11*(-x10 - x10^2 + x10*x11 + x10*x8 - x11*x8)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   ((-x10 + x10*x11 + x10*x8 - 2*x11*x8)*(x10 + x10^2 - 2*x10*x11 - x10*x7 - 
      x10^2*x7 - x11*x7 + x10*x11*x7 - x10*x8 + 2*x11*x8 + x10*x7*x8 - 
      x11*x7*x8 - x9 - x10*x9 + x11*x9 - x10*x11*x9 + 2*x8*x9 + x10*x8*x9 + 
      x11*x8*x9 - x8^2*x9)*\[Epsilon])/(2*x11*(-x10 - x10^2 + x10*x11 + 
      x10*x8 - x11*x8)*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x11*x9*(x10 - x10*x7 + x11*x7 - x9 + 2*x10*x9 - x11*x9 + 2*x7*x9 - 
      x8*x9 - 2*x9^2)*\[Epsilon])/(2*(x10 - x11 - x9)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   ((-x10 - 2*x7 + x10*x7 + x11*x7 + 2*x7^2 + 2*x8 - 2*x7*x8 + x9 - x11*x9 - 
      2*x7*x9 + x8*x9)*\[Epsilon])/(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + 
     x10^2*x7^2 - 2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 
     2*x10*x7*x9 + 2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 
     2*x10*x8*x9 - 4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 
     2*x11*x9^2 + x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2), 
   -((x10*x7 - x8*x9)*(-x10 + x10*x7 + x11*x7 + x9 - x11*x9 - x8*x9)*
      \[Epsilon])/(2*x11*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 
      2*x10*x11*x7^2 + x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 
      2*x11*x7*x9 + 2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 
      4*x11*x8*x9 - 2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + 
      x11^2*x9^2 - 2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (x10^2*(-x10 - x10^2 + 2*x10*x11 + x10*x7 + x10^2*x7 + x11*x7 - 
      x10*x11*x7 + x10*x8 - 2*x11*x8 - x10*x7*x8 + x11*x7*x8 + x9 + x10*x9 - 
      x11*x9 + x10*x11*x9 - 2*x8*x9 - x10*x8*x9 - x11*x8*x9 + x8^2*x9)*
     \[Epsilon])/(2*x11*(x10 + x10^2 - x10*x11 - x10*x8 + x11*x8)*
     (x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   -(x9*(-x10 + x10*x7 - x11*x7 + x9 + x11*x9 - x8*x9)*\[Epsilon])/
    (2*x11*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2)), 
   (-(x10*x11*x7) + x10*x11*x7^2 - x11^2*x7^2 - x10*x11*x9 - x11*x7*x9 - 
     x10*x11*x7*x9 + 2*x11^2*x7*x9 + 2*x11*x8*x9 - x11*x7*x8*x9 + x11*x9^2 - 
     x11^2*x9^2 + x11*x8*x9^2 - x10^2*\[Epsilon] + 2*x10^2*x7*\[Epsilon] - 
     x10^2*x7^2*\[Epsilon] + x11^2*x7^2*\[Epsilon] + 2*x10*x9*\[Epsilon] - 
     2*x10*x7*x9*\[Epsilon] - 2*x11^2*x7*x9*\[Epsilon] - 
     2*x10*x8*x9*\[Epsilon] + 2*x10*x7*x8*x9*\[Epsilon] - x9^2*\[Epsilon] + 
     x11^2*x9^2*\[Epsilon] + 2*x8*x9^2*\[Epsilon] - x8^2*x9^2*\[Epsilon])/
    (x11*(x10^2 - 2*x10^2*x7 + 2*x10*x11*x7 + x10^2*x7^2 - 2*x10*x11*x7^2 + 
      x11^2*x7^2 - 2*x10*x9 + 2*x10*x11*x9 + 2*x10*x7*x9 + 2*x11*x7*x9 + 
      2*x10*x11*x7*x9 - 2*x11^2*x7*x9 + 2*x10*x8*x9 - 4*x11*x8*x9 - 
      2*x10*x7*x8*x9 + 2*x11*x7*x8*x9 + x9^2 - 2*x11*x9^2 + x11^2*x9^2 - 
      2*x8*x9^2 - 2*x11*x8*x9^2 + x8^2*x9^2))}}}
