w14 = {-((2*y21*y4 + b3*e5*(-1 + y4)*(-1 + y7) - (y16*(-2 + y4) + y21*y4)*y7)/
        (1 + (-1 + e5)*(-1 + y4)*(-1 + y7))) + 
      (bz*e5*(-1 + y6)*(-1 + y9) + 2*y18*y9 - y6*(y20*(-2 + y9) + y18*y9))/
       (e5 + (-1 + e5)*y6*(-1 + y9) + y9 - e5*y9) + 2*e3*(Log[y1] - Log[y2]), 
     B+ B+ (y1 + y2)*(1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*
           (1 - 2*y3)))*((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
         (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
        (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
            (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
      (y1 + y2)*(1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
       ((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + (1 - y13 - y16)*
            (2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
        (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
         (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
      (-1 + (1 - e4)*(1 - y1 - y2)*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*y7))/
         (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
        (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*y9))/
         (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))), B+ 
     (2*(-1 + (1 - e4)*(1 - y1 - y2)^2)*(4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
        y3*(bz*e5*(1 - y5)*(1 - y8) + y19*y5*(2 - y8) + y17*(2 - y5)*y8))/
       (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
      4*(1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*(1 - y1 - y2))*y3*
       ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
         (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
        (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
            (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))), 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*(-(b3*e5*(1 - y7)) + 
        (1 - y13 - y16)*y7*(-2 + e5 + (1 - e5)*y7) + 
        y12*(2 - y7)*(e5 + (1 - e5)*y7)) - 
      (-(b3*e5*(1 - y7)) + y16*y7*(-2 + e5 + (1 - e5)*y7) + 
        y21*(2 - y7)*(e5 + (1 - e5)*y7))*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         (((-1 + y1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            (b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + (1 - y13 - y16)*
              (2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + (1 - y1 - y2)*
         ((1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*(1 - 2*y3)))*
           ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
             (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
            (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
                (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), 
     e3*(4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       (1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(-(bz*e5*(1 - y8)) + 
        (1 - y14 - y17)*y8*(-2 + e5 + (1 - e5)*y8) + 
        y10*(2 - y8)*(e5 + (1 - e5)*y8)) - 
      (-(bz*e5*(1 - y8)) + y17*y8*(-2 + e5 + (1 - e5)*y8) + 
        y19*(2 - y8)*(e5 + (1 - e5)*y8))*
       ((4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
         ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
           (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          ((-1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3) + y3)*
            (bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
              (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
        (1 - 2*y3)*((1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*
             (1 - y1 - y2))*((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + 
               (1 - y13 - y16)*(2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - 
                y7)) + (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
             (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*(1 - y1 - y2))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), B+ B+ 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*(-(bz*e5*(1 - y9)) + 
        (1 - y15 - y18)*y9*(-2 + e5 + (1 - e5)*y9) + 
        y11*(2 - y9)*(e5 + (1 - e5)*y9)) - 
      (-(bz*e5*(1 - y9)) + y18*y9*(-2 + e5 + (1 - e5)*y9) + 
        y20*(2 - y9)*(e5 + (1 - e5)*y9))*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          ((-1 + y2 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            (bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
              (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
        (1 - y1 - y2)*((2*(1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*
                (1 - 2*y3)))*y3*(bz*e5*(1 - y5)*(1 - y8) + y19*y5*(2 - y8) + 
             y17*(2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
             (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
                (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), B+ 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       ((1 - y12 - y21)*y4*(-2 + e5 + (1 - e5)*y4) + 
        y13*(2 - y4)*(e5 + (1 - e5)*y4)) - 
      (-(b3*e5*(1 - y4)) + y21*y4*(-2 + e5 + (1 - e5)*y4) + 
        y16*(2 - y4)*(e5 + (1 - e5)*y4))*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         (((-1 + y1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            ((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
              (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
        (1 - y1 - y2)*((2*(1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*
                (1 - 2*y3)))*y3*(bz*e5*(1 - y5)*(1 - y8) + y19*y5*(2 - y8) + 
             y17*(2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
             (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
                (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), 
     e3*(4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       (1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
       ((1 - y10 - y19)*y5*(-2 + e5 + (1 - e5)*y5) + 
        y14*(2 - y5)*(e5 + (1 - e5)*y5)) - 
      (-(bz*e5*(1 - y5)) + y19*y5*(-2 + e5 + (1 - e5)*y5) + 
        y17*(2 - y5)*(e5 + (1 - e5)*y5))*
       ((4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
         (((-1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3) + y3)*
            ((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
           (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
              (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
        (1 - 2*y3)*((1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*
             (1 - y1 - y2))*((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + 
               (1 - y13 - y16)*(2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - 
                y7)) + (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
             (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*(1 - y1 - y2))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), B+ B+ 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       ((1 - y11 - y20)*y6*(-2 + e5 + (1 - e5)*y6) + 
        y15*(2 - y6)*(e5 + (1 - e5)*y6)) - 
      (-(bz*e5*(1 - y6)) + y20*y6*(-2 + e5 + (1 - e5)*y6) + 
        y18*(2 - y6)*(e5 + (1 - e5)*y6))*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         ((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + (1 - y13 - y16)*
              (2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          ((-1 + y2 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            ((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + (1 - y1 - y2)*
         ((1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*(1 - 2*y3)))*
           ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
             (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
            (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
                (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), B+ 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3) + 
      (4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       (((-1 + y1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
          (b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + (1 - y13 - y16)*
            (2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
        (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
         (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + (1 - y1 - y2)*
       ((1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*(1 - 2*y3)))*
         ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
           (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
              (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
        (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
         ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9)))), 
     e3*(4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       (1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
       (e3*(1 - (1 - e5)*(1 - y5)*(1 - y8))*(-2 + y8) + 
        (1 - y5)*(y14*y8*(-2 + e5 + (1 - e5)*y8) + (1 - y10 - y19)*(2 - y8)*
           (e5 + (1 - e5)*y8))) - (1 - y5)*(-(bz*e5*(1 - y8)) + 
        y17*y8*(-2 + e5 + (1 - e5)*y8) + y19*(2 - y8)*(e5 + (1 - e5)*y8))*
       ((4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
         (((-1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3) + y3)*
            ((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
           (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
              (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
        (1 - 2*y3)*((1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*
             (1 - y1 - y2))*((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + 
               (1 - y13 - y16)*(2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - 
                y7)) + (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
             (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*(1 - y1 - y2))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       (e3*(-2 + y4)*(1 - (1 - e5)*(1 - y4)*(1 - y7)) + 
        (-(b3*e5*(1 - y4)) + y12*y4*(-2 + e5 + (1 - e5)*y4) + 
          (1 - y13 - y16)*(2 - y4)*(e5 + (1 - e5)*y4))*(1 - y7)) - 
      (-(b3*e5*(1 - y4)) + y21*y4*(-2 + e5 + (1 - e5)*y4) + 
        y16*(2 - y4)*(e5 + (1 - e5)*y4))*(1 - y7)*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         (((-1 + y1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            (b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + (1 - y13 - y16)*
              (2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + (1 - y1 - y2)*
         ((1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*(1 - 2*y3)))*
           ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
             (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
            (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
                (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), 
     e3*(4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       (1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3)) + 
      (4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       (((-1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3) + y3)*
          ((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
         (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
        (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
            (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
      (1 - 2*y3)*((1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*
           (1 - y1 - y2))*((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + 
             (1 - y13 - y16)*(2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*
             (1 - y7)) + (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
        (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*(1 - y1 - y2))*
         ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9)))), 
     e3*(4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       (1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
       (e3*(-2 + y5)*(1 - (1 - e5)*(1 - y5)*(1 - y8)) + 
        (-(bz*e5*(1 - y5)) + y10*y5*(-2 + e5 + (1 - e5)*y5) + 
          (1 - y14 - y17)*(2 - y5)*(e5 + (1 - e5)*y5))*(1 - y8)) - 
      (-(bz*e5*(1 - y5)) + y19*y5*(-2 + e5 + (1 - e5)*y5) + 
        y17*(2 - y5)*(e5 + (1 - e5)*y5))*(1 - y8)*
       ((4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
         ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
           (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          ((-1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3) + y3)*
            (bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
              (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
        (1 - 2*y3)*((1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*
             (1 - y1 - y2))*((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + 
               (1 - y13 - y16)*(2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - 
                y7)) + (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
             (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*(1 - y1 - y2))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3) + 
      (4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       ((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + (1 - y13 - y16)*
            (2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
        ((-1 + y2 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
          ((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
         (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + (1 - y1 - y2)*
       ((1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*(1 - 2*y3)))*
         ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
           (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
              (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
        (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
         ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9)))), 
     e3*(4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       (1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3)) + 
      (4 - 2*y1 + 2*(1 - y1 - y2)^2 - 2*y2)*
       ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
         (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
        ((-1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3) + y3)*
          (bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
            (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
      (1 - 2*y3)*((1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*
           (1 - y1 - y2))*((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + 
             (1 - y13 - y16)*(2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*
             (1 - y7)) + (y2*((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
        (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - y1 - y2))*(1 - y1 - y2))*
         ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9)))), 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       (e3*(1 - (1 - e5)*(1 - y6)*(1 - y9))*(-2 + y9) + 
        (1 - y6)*(y15*y9*(-2 + e5 + (1 - e5)*y9) + (1 - y11 - y20)*(2 - y9)*
           (e5 + (1 - e5)*y9))) - (1 - y6)*(-(bz*e5*(1 - y9)) + 
        y18*y9*(-2 + e5 + (1 - e5)*y9) + y20*(2 - y9)*(e5 + (1 - e5)*y9))*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         ((y1*(b3*e5*(1 - y4)*(1 - y7) + y12*y4*(2 - y7) + (1 - y13 - y16)*
              (2 - y4)*y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          ((-1 + y2 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            ((1 - y11 - y20)*y6*(2 - y9) + y15*(2 - y6)*y9))/
           (2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + (1 - y1 - y2)*
         ((1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*(1 - 2*y3)))*
           ((y3*((1 - y10 - y19)*y5*(2 - y8) + y14*(2 - y5)*y8))/
             (2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
            (y3*(bz*e5*(1 - y5)*(1 - y8) + y10*y5*(2 - y8) + (1 - y14 - y17)*
                (2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8))) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*(b3*e5*(1 - y4)*(1 - y7) + y21*y4*(2 - y7) + y16*(2 - y4)*
                y7))/(2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y20*y6*(2 - y9) + y18*(2 - y6)*
                y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), B+ B+ 
     B+ B+ B+ B+ B+ B+ 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       (e3*(-2 + y6)*(1 - (1 - e5)*(1 - y6)*(1 - y9)) + 
        (-(bz*e5*(1 - y6)) + y11*y6*(-2 + e5 + (1 - e5)*y6) + 
          (1 - y15 - y18)*(2 - y6)*(e5 + (1 - e5)*y6))*(1 - y9)) - 
      (-(bz*e5*(1 - y6)) + y20*y6*(-2 + e5 + (1 - e5)*y6) + 
        y18*(2 - y6)*(e5 + (1 - e5)*y6))*(1 - y9)*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          ((-1 + y2 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            (bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
              (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
        (1 - y1 - y2)*((2*(1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*
                (1 - 2*y3)))*y3*(bz*e5*(1 - y5)*(1 - y8) + y19*y5*(2 - y8) + 
             y17*(2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
             (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
                (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3) + 
      (4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       (((-1 + y1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
          ((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
         (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
        (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
            (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
      (1 - y1 - y2)*((2*(1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*
              (1 - 2*y3)))*y3*(bz*e5*(1 - y5)*(1 - y8) + y19*y5*(2 - y8) + 
           y17*(2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
        (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
         ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
              (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9)))), 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3) + 
      (4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
         (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
        ((-1 + y2 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
          (bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
            (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
      (1 - y1 - y2)*((2*(1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*
              (1 - 2*y3)))*y3*(bz*e5*(1 - y5)*(1 - y8) + y19*y5*(2 - y8) + 
           y17*(2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
        (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
         ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
              (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9)))), 
     e3*(1 - (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*(4 - y1 - y2 + 
        2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
       (e3*(1 - (1 - e5)*(1 - y4)*(1 - y7))*(-2 + y7) + 
        (1 - y4)*(y13*y7*(-2 + e5 + (1 - e5)*y7) + (1 - y12 - y21)*(2 - y7)*
           (e5 + (1 - e5)*y7))) - (1 - y4)*(-(b3*e5*(1 - y7)) + 
        y16*y7*(-2 + e5 + (1 - e5)*y7) + y21*(2 - y7)*(e5 + (1 - e5)*y7))*
       ((4 - y1 - y2 + 2*(1 - y1 - y2)*(1 - 2*y3) - 2*y3)*
         (((-1 + y1 + (1 - e4)*(1 - y1 - y2)^2*(1 - 2*y3))*
            ((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
           (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
          (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
              (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))) + 
        (1 - y1 - y2)*((2*(1 + (1 - y1 - y2)*(2 + (1 - e4)*(3 - y1 - y2)*
                (1 - 2*y3)))*y3*(bz*e5*(1 - y5)*(1 - y8) + y19*y5*(2 - y8) + 
             y17*(2 - y5)*y8))/(2 - 2*(1 - e5)*(1 - y5)*(1 - y8)) + 
          (1 + (2 + (1 - e4)*(1 - y1 - y2)*(3 - 2*y3))*(1 - 2*y3))*
           ((y1*((1 - y12 - y21)*y4*(2 - y7) + y13*(2 - y4)*y7))/
             (2 - 2*(1 - e5)*(1 - y4)*(1 - y7)) + 
            (y2*(bz*e5*(1 - y6)*(1 - y9) + y11*y6*(2 - y9) + (1 - y15 - y18)*
                (2 - y6)*y9))/(2 - 2*(1 - e5)*(1 - y6)*(1 - y9))))), B+ 
     B+ B+ B}