[ Eq(Derivative(x1, t), ((-1)*x1*k2*k56 + (-1)*k3*x1 + 1*x2*k7 + 1*x5*k8)/k69),
  Eq(Derivative(x2, t), (1*k3*x1 + 1*x3*k4 + (-1)*x2*k5 + (-1)*x2*k7)/k69),
  Eq(Derivative(x3, t), (1*x1*k2*k56 + (-1)*x3*k4)/k69),
  Eq(Derivative(x4, t), (1*x2*k5 + (-1)*x4*k6*x11)/k69),
  Eq(Derivative(x5, t), (1*x4*k6*x11 + (-1)*x5*k8)/k69),
  Eq(Derivative(x6, t), ((-1)*x6*k9*x4 + 1*x7*k12 + (-1)*x6*k11 + 1*x9*k15)/k69),
  Eq(Derivative(x7, t), (1*x6*k9*x4 + (-1)*x7*k12 + (-1)*x7*k10*x17*k1 + 1*x8*k13)/k69),
  Eq(Derivative(x8, t), (1*x7*k10*x17*k1 + (-1)*x8*k13 + (-1)*x8*k14)/k69),
  Eq(Derivative(x9, t), (1*x8*k14 + 1*x6*k11 + (-1)*x9*k15)/k69),
  Eq(Derivative(x10, t), ((-1)*x10*k16*x7 + 1*x11*k17)/k69),
  Eq(Derivative(x11, t), (1*x10*k16*x7 + (-1)*x11*k17)/k69),
  Eq(Derivative(x12, t), ((-1)*k18*x12*x7 + 1*k19*x13 + 1*k23*x14)/k69),
  Eq(Derivative(x13, t), (1*k18*x12*x7 + (-1)*k19*x13 + (-1)*k20*x13*x19)/k69),
  Eq(Derivative(x14, t), ((-1)*k21*x14*x8 + 1*k22*x15 + (-1)*k23*x14)/k69),
  Eq(Derivative(x15, t), (1*k20*x13*x19 + 1*k21*x14*x8 + (-1)*k22*x15)/k69),
  Eq(Derivative(x16, t), ((-1)*x16*(k24*x15 + k25*x13) + 1*x17*k26)/k69),
  Eq(Derivative(x17, t), (1*x16*(k24*x15 + k25*x13) + (-1)*x17*k26)/k69),
  Eq(Derivative(x18, t), ((-1)*x18*k29*x4 + 1*k27*x19)/k69),
  Eq(Derivative(x19, t), (1*x18*k29*x4 + (-1)*k27*x19)/k69),
  Eq(Derivative(x20, t), ((-1)*x20*(k30*x15 + k31*x14**k33/(k32**k33 + x14**k33)) + 1*x21*k34)/k69),
  Eq(Derivative(x21, t), (1*x20*(k30*x15 + k31*x14**k33/(k32**k33 + x14**k33)) + (-1)*x21*k34)/k69),
  Eq(Derivative(x22, t), (1*x23*k35*x21 + (-1)*x22*k36)/k69),
  Eq(Derivative(x23, t), ((-1)*x23*k35*x21 + 1*x22*k36)/k69),
  Eq(Derivative(x24, t), ((-1)*x24*k39*x17**k44/(k43**k44 + x17**k44) + 1*x25*k40)/k69),
  Eq(Derivative(x25, t), (1*x24*k39*x17**k44/(k43**k44 + x17**k44) + (-1)*x25*k40)/k69),
  Eq(Derivative(x26, t), ((-1)*x26*k41*x25 + 1*x27*k42)/k69),
  Eq(Derivative(x27, t), (1*x26*k41*x25 + (-1)*x27*k42)/k69) ]