[ Eq(Derivative(x1, t), (-1)*k78*(x1*x2*k1 - x22*k2)/k78),
  Eq(Derivative(x2, t), (-1)*k78*(x1*x2*k1 - x22*k2)/k78),
  Eq(Derivative(x3, t), (-1)*k78*(x23*x3*k4 - x24*k5)/k78),
  Eq(Derivative(x4, t), ((-1)*k78*(x23*x4*k6 - x25*k7) + (-1)*k78*(x6*x4*k17 - x26*k18))/k78),
  Eq(Derivative(x5, t), (1*k78*x25*k8 + 1*k78*x26*k70 + (-1)*k78*(x5*x7*k9 - x27*k10) + (-1)*k78*(x8*x5*k11 - x28*k12) + 1*k78*x28*k13 + (-1)*k78*(x5*x10*k25 - x31*k26) + 1*k78*x31*k27)/k78),
  Eq(Derivative(x6, t), ((-1)*k78*(x6*x4*k17 - x26*k18) + 1*k78*x26*k70 + 1*k78*x32*k16)/k78),
  Eq(Derivative(x7, t), (-1)*k78*(x5*x7*k9 - x27*k10)/k78),
  Eq(Derivative(x8, t), ((-1)*k78*(x8*x5*k11 - x28*k12) + (-1)*k78*(x8*x30*k61 - x29*k62))/k78),
  Eq(Derivative(x9, t), (1*k78*x28*k13 + 1*k78*x29*k63 + (-1)*k78*(x9*x12*k14 - x32*k15) + 1*k78*x32*k16 + (-1)*k78*(x9*x13*k19 - x33*k20) + (-1)*k78*(x15*x9*k22 - x34*k23) + 1*k78*x34*k24)/k78),
  Eq(Derivative(x10, t), (-1)*k78*(x5*x10*k25 - x31*k26)/k78),
  Eq(Derivative(x11, t), (1*k78*x31*k27 + (-1)*k78*(x11*x18*k28 - x37*k29) + (-1)*k78*(x11*x19*k30 - x38*k31) + 1*k78*x38*k32)/k78),
  Eq(Derivative(x12, t), (-1)*k78*(x9*x12*k14 - x32*k15)/k78),
  Eq(Derivative(x13, t), ((-1)*k78*(x9*x13*k19 - x33*k20) + 1*k78*x33*k21 + (-1)*k78*(x13*x30*k66 - x35*k67) + (-1)*k78*(x13*x17*k68 - x36*k69))/k78),
  Eq(Derivative(x14, t), 1*k78*x33*k21/k78),
  Eq(Derivative(x15, t), (-1)*k78*(x15*x9*k22 - x34*k23)/k78),
  Eq(Derivative(x16, t), 1*k78*x34*k24/k78),
  Eq(Derivative(x17, t), ((-1)*k78*(x13*x17*k68 - x36*k69) + 1*k78*(x48*k64 - x17*k65))/k78),
  Eq(Derivative(x18, t), (-1)*k78*(x11*x18*k28 - x37*k29)/k78),
  Eq(Derivative(x19, t), (-1)*k78*(x11*x19*k30 - x38*k31)/k78),
  Eq(Derivative(x20, t), (1*k78*x38*k32 + (-1)*k78*(x20*k33 - x57*k34))/k78),
  Eq(Derivative(x21, t), ((-1)*k79*(x57*x21*k35/k71 - x39*k36) + (-1)*k79*(x21*x58*k39/k71 - x41*k40) + (-1)*k79*(x21*x40*k43/k71 - x42*k44))/k79),
  Eq(Derivative(x22, t), (1*k78*(x1*x2*k1 - x22*k2) + (-1)*k78*x22*k3)/k78),
  Eq(Derivative(x23, t), (1*k78*x22*k3 + (-1)*k78*(x23*x3*k4 - x24*k5) + (-1)*k78*(x23*x4*k6 - x25*k7) + 1*k78*x25*k8)/k78),
  Eq(Derivative(x24, t), 1*k78*(x23*x3*k4 - x24*k5)/k78),
  Eq(Derivative(x25, t), (1*k78*(x23*x4*k6 - x25*k7) + (-1)*k78*x25*k8)/k78),
  Eq(Derivative(x26, t), (1*k78*(x6*x4*k17 - x26*k18) + (-1)*k78*x26*k70)/k78),
  Eq(Derivative(x27, t), 1*k78*(x5*x7*k9 - x27*k10)/k78),
  Eq(Derivative(x28, t), (1*k78*(x8*x5*k11 - x28*k12) + (-1)*k78*x28*k13)/k78),
  Eq(Derivative(x29, t), (1*k78*(x8*x30*k61 - x29*k62) + (-1)*k78*x29*k63)/k78),
  Eq(Derivative(x30, t), ((-1)*k78*(x8*x30*k61 - x29*k62) + 1*k78*x29*k63 + (-1)*k78*(x13*x30*k66 - x35*k67) + 1*k78*(x55*x56*k59 - x30*k60))/k78),
  Eq(Derivative(x31, t), (1*k78*(x5*x10*k25 - x31*k26) + (-1)*k78*x31*k27)/k78),
  Eq(Derivative(x32, t), (1*k78*(x9*x12*k14 - x32*k15) + (-1)*k78*x32*k16)/k78),
  Eq(Derivative(x33, t), (1*k78*(x9*x13*k19 - x33*k20) + (-1)*k78*x33*k21)/k78),
  Eq(Derivative(x34, t), (1*k78*(x15*x9*k22 - x34*k23) + (-1)*k78*x34*k24)/k78),
  Eq(Derivative(x35, t), 1*k78*(x13*x30*k66 - x35*k67)/k78),
  Eq(Derivative(x36, t), 1*k78*(x13*x17*k68 - x36*k69)/k78),
  Eq(Derivative(x37, t), 1*k78*(x11*x18*k28 - x37*k29)/k78),
  Eq(Derivative(x38, t), (1*k78*(x11*x19*k30 - x38*k31) + (-1)*k78*x38*k32)/k78),
  Eq(Derivative(x39, t), 1*k79*(x57*x21*k35/k71 - x39*k36)/k79),
  Eq(Derivative(x40, t), (1*k79*(x58*x58*k41/k71 - x40*k42) + (-1)*k79*(x21*x40*k43/k71 - x42*k44) + (-1)*k79*(x40*x43*k45/k71 - x44*k46))/k79),
  Eq(Derivative(x41, t), 1*k79*(x21*x58*k39/k71 - x41*k40)/k79),
  Eq(Derivative(x42, t), 1*k79*(x21*x40*k43/k71 - x42*k44)/k79),
  Eq(Derivative(x43, t), (-1)*k79*(x40*x43*k45/k71 - x44*k46)/k79),
  Eq(Derivative(x44, t), (1*k79*(x40*x43*k45/k71 - x44*k46) + (-1)*k79*x44*k47)/k79),
  Eq(Derivative(x45, t), (1*k79*x44*k47 + (-1)*k79*(x45*x46*k51/k71 - x47*k52) + 1*k79*x47*k53 + (-1)*k79*(x45*x49*k48/k71 - x50*k49) + 1*k79*x50*k50)/k79),
  Eq(Derivative(x46, t), (-1)*k79*(x45*x46*k51/k71 - x47*k52)/k79),
  Eq(Derivative(x47, t), (1*k79*(x45*x46*k51/k71 - x47*k52) + (-1)*k79*x47*k53)/k79),
  Eq(Derivative(x48, t), (1*k79*x47*k53 + (-1)*k78*(x48*k64 - x17*k65))/k79),
  Eq(Derivative(x49, t), (-1)*k79*(x45*x49*k48/k71 - x50*k49)/k79),
  Eq(Derivative(x50, t), (1*k79*(x45*x49*k48/k71 - x50*k49) + (-1)*k79*x50*k50)/k79),
  Eq(Derivative(x51, t), (1*k79*x50*k50 + (-1)*k78*(x51*k54 - x52*k55))/k79),
  Eq(Derivative(x52, t), (1*k78*(x51*k54 - x52*k55) + (-1)*k78*(x52*x53*k56 - x54*k57) + 1*k78*x54*k58)/k78),
  Eq(Derivative(x53, t), (-1)*k78*(x52*x53*k56 - x54*k57)/k78),
  Eq(Derivative(x54, t), (1*k78*(x52*x53*k56 - x54*k57) + (-1)*k78*x54*k58)/k78),
  Eq(Derivative(x55, t), (1*k78*x54*k58 + (-1)*k78*(x55*x56*k59 - x30*k60))/k78),
  Eq(Derivative(x56, t), (-1)*k78*(x55*x56*k59 - x30*k60)/k78),
  Eq(Derivative(x57, t), (1*k78*(x20*k33 - x57*k34) + (-1)*k79*(x57*x21*k35/k71 - x39*k36) + (-1)*k79*(x57*x57*k37/k71 - x58*k38))/k79),
  Eq(Derivative(x58, t), (1*k79*(x57*x57*k37/k71 - x58*k38) + (-1)*k79*(x58*x58*k41/k71 - x40*k42) + (-1)*k79*(x21*x58*k39/k71 - x41*k40))/k79) ]