[ Eq(Derivative(x1, t), ((-1)*k35*(k1*x1 - k2*x2) + (-1)*k35*(k12*x1*x11 - k13*x3))/k35),
  Eq(Derivative(x2, t), 1*k35*(k1*x1 - k2*x2)/k35),
  Eq(Derivative(x3, t), 1*k35*(k12*x1*x11 - k13*x3)/k35),
  Eq(Derivative(x4, t), (-1)*k35*((k3*x2 + k4*x15)*x4 - k5*x5)/k35),
  Eq(Derivative(x5, t), 1*k35*((k3*x2 + k4*x15)*x4 - k5*x5)/k35),
  Eq(Derivative(x6, t), ((-1)*k35*(k6*x6*x5 - k7*x7) + (-1)*k35*(k31*x6*x26 - k32*x27))/k35),
  Eq(Derivative(x7, t), 1*k35*(k6*x6*x5 - k7*x7)/k35),
  Eq(Derivative(x8, t), (-1)*k35*(k8*x8*x7 - k9*x9)/k35),
  Eq(Derivative(x9, t), 1*k35*(k8*x8*x7 - k9*x9)/k35),
  Eq(Derivative(x10, t), (-1)*k35*(k10*x10*x9 - k11*x11)/k35),
  Eq(Derivative(x11, t), 1*k35*(k10*x10*x9 - k11*x11)/k35),
  Eq(Derivative(x12, t), (-1)*k35*(k29*x12*x7 - k30*x13)/k35),
  Eq(Derivative(x13, t), 1*k35*(k29*x12*x7 - k30*x13)/k35),
  Eq(Derivative(x14, t), ((-1)*k35*((k14 + k15*x12)*x14 - k16*x15) + (-1)*k35*(k27*x14*x25 - k28*x16))/k35),
  Eq(Derivative(x15, t), 1*k35*((k14 + k15*x12)*x14 - k16*x15)/k35),
  Eq(Derivative(x16, t), 1*k35*(k27*x14*x25 - k28*x16)/k35),
  Eq(Derivative(x17, t), (-1)*k35*(k17*x17*x15 - k18*x18)/k35),
  Eq(Derivative(x18, t), 1*k35*(k17*x17*x15 - k18*x18)/k35),
  Eq(Derivative(x19, t), ((-1)*k35*(k19*x19*x18 - k20*x20) + (-1)*k35*(k25*x19*x25 - k26*x21))/k35),
  Eq(Derivative(x20, t), 1*k35*(k19*x19*x18 - k20*x20)/k35),
  Eq(Derivative(x21, t), 1*k35*(k25*x19*x25 - k26*x21)/k35),
  Eq(Derivative(x22, t), ((-1)*k35*(k21*x22*x20 - k22*x23) + (-1)*k35*(k33*x22*x28 - k34*x29))/k35),
  Eq(Derivative(x23, t), 1*k35*(k21*x22*x20 - k22*x23)/k35),
  Eq(Derivative(x24, t), (-1)*k35*(k23*x24*x23 - k24*x25)/k35),
  Eq(Derivative(x25, t), 1*k35*(k23*x24*x23 - k24*x25)/k35),
  Eq(Derivative(x26, t), (-1)*k35*(k31*x6*x26 - k32*x27)/k35),
  Eq(Derivative(x27, t), 1*k35*(k31*x6*x26 - k32*x27)/k35),
  Eq(Derivative(x28, t), (-1)*k35*(k33*x22*x28 - k34*x29)/k35),
  Eq(Derivative(x29, t), 1*k35*(k33*x22*x28 - k34*x29)/k35) ]