[ Eq(Derivative(x1, t), 0),
  Eq(Derivative(x2, t), 0),
  Eq(Derivative(x3, t), 0),
  Eq(Derivative(x4, t), (1*k31*x23 + (-1)*k28*x4)/k32),
  Eq(Derivative(x5, t), 0),
  Eq(Derivative(x6, t), (1*(k23 + k22*x23) + (-1)*k20*x6)/k32),
  Eq(Derivative(x7, t), (1*k19*x6 + (-1)*k21*x7)/k32),
  Eq(Derivative(x8, t), 0),
  Eq(Derivative(x9, t), ((-1)*k11*x9 + 1*(k5*x11 + k4*x11*x7))/k32),
  Eq(Derivative(x10, t), 0),
  Eq(Derivative(x11, t), (1*k1*x12 + (-1)*k6*x11 + 1*k8*x15 + (-1)*k9*x11*x14 + 1*k10*x17 + (-1)*(k5*x11 + k4*x11*x7) + (-1)*k7*x11*x21)/k32),
  Eq(Derivative(x12, t), ((-1)*k1*x12 + (-1)*k2*x12 + 1*k3)/k32),
  Eq(Derivative(x13, t), 0),
  Eq(Derivative(x14, t), ((-1)*k12*x14 + (-1)*k9*x11*x14 + 1*(k13*x22*x21 - k14*x14) + 1*(k29*x20 - k30*x14))/k32),
  Eq(Derivative(x15, t), ((-1)*k8*x15 + 1*k7*x11*x21)/k32),
  Eq(Derivative(x16, t), 0),
  Eq(Derivative(x17, t), (1*k9*x11*x14 + (-1)*k10*x17)/k32),
  Eq(Derivative(x18, t), 0),
  Eq(Derivative(x19, t), 0),
  Eq(Derivative(x20, t), ((-5)*(k29*x20 - k30*x14) + 1*(k15*x23*x24 - k16*x20))/k33),
  Eq(Derivative(x21, t), ((-1)*k24*x21 + 1*k25*x4 + (-1)*(k13*x22*x21 - k14*x14) + (-1)*k7*x11*x21 + (-1)*(k26*x21 - k27*x24))/k32),
  Eq(Derivative(x22, t), (1*k12*x14 + 1*k10*x17 + (-1)*(k13*x22*x21 - k14*x14) + (-1)*(k17*x22 - k18*x23))/k32),
  Eq(Derivative(x23, t), (5*(k17*x22 - k18*x23) + (-1)*(k15*x23*x24 - k16*x20))/k33),
  Eq(Derivative(x24, t), ((-1)*(k15*x23*x24 - k16*x20) + 5*(k26*x21 - k27*x24))/k33) ]