[ Eq(Derivative(x1, t), ((-1)*k9*(k5*x2*x1 - k6*x3)/k9 + (-1)*k9*(k3*x2*x1 - k4*x4)/k9 + (-1)*k9*(k5*x2*x1 - k6*x5)/k9 + (-1)*k9*(k3*x3*x1 - k4*x6)/k9 + (-1)*k9*(k5*x3*x1 - k6*x7)/k9 + (-1)*k9*(k5*x4*x1 - k6*x6)/k9 + (-1)*k9*(k5*x4*x1 - k6*x8)/k9 + (-1)*k9*(k5*x5*x1 - k6*x7)/k9 + (-1)*k9*(k3*x5*x1 - k4*x8)/k9 + (-1)*k9*(k5*x6*x1 - k6*x9)/k9 + (-1)*k9*(k3*x7*x1 - k4*x9)/k9 + (-1)*k9*(k5*x8*x1 - k6*x9)/k9)/k9),
  Eq(Derivative(x2, t), ((-1)*k9*(k5*x2*x1 - k6*x3)/k9 + (-1)*k9*(k3*x2*x1 - k4*x4)/k9 + (-1)*k9*(k5*x2*x1 - k6*x5)/k9)/k9),
  Eq(Derivative(x3, t), (1*k9*(k5*x2*x1 - k6*x3)/k9 + (-1)*k9*(k3*x3*x1 - k4*x6)/k9 + (-1)*k9*(k5*x3*x1 - k6*x7)/k9)/k9),
  Eq(Derivative(x4, t), (1*k9*(k3*x2*x1 - k4*x4)/k9 + (-1)*k9*(k5*x4*x1 - k6*x6)/k9 + (-1)*k9*(k5*x4*x1 - k6*x8)/k9)/k9),
  Eq(Derivative(x5, t), (1*k9*(k5*x2*x1 - k6*x5)/k9 + (-1)*k9*(k5*x5*x1 - k6*x7)/k9 + (-1)*k9*(k3*x5*x1 - k4*x8)/k9)/k9),
  Eq(Derivative(x6, t), (1*k9*(k3*x3*x1 - k4*x6)/k9 + 1*k9*(k5*x4*x1 - k6*x6)/k9 + (-1)*k9*(k5*x6*x1 - k6*x9)/k9 + (-1)*k9*(k1*x6 - k2*x10)/k9)/k9),
  Eq(Derivative(x7, t), (1*k9*(k5*x3*x1 - k6*x7)/k9 + 1*k9*(k5*x5*x1 - k6*x7)/k9 + (-1)*k9*(k3*x7*x1 - k4*x9)/k9)/k9),
  Eq(Derivative(x8, t), (1*k9*(k5*x4*x1 - k6*x8)/k9 + 1*k9*(k3*x5*x1 - k4*x8)/k9 + (-1)*k9*(k5*x8*x1 - k6*x9)/k9 + (-1)*k9*(k1*x8 - k2*x11)/k9)/k9),
  Eq(Derivative(x9, t), (1*k9*(k5*x6*x1 - k6*x9)/k9 + 1*k9*(k3*x7*x1 - k4*x9)/k9 + 1*k9*(k5*x8*x1 - k6*x9)/k9 + (-1)*k9*(k1*x9 - k2*x13)/k9 + (-1)*k9*(k1*x9 - k2*x12)/k9)/k9),
  Eq(Derivative(x10, t), 1*k9*(k1*x6 - k2*x10)/k9/k9),
  Eq(Derivative(x11, t), 1*k9*(k1*x8 - k2*x11)/k9/k9),
  Eq(Derivative(x12, t), (1*k9*(k1*x9 - k2*x12)/k9 + (-1)*k9*(k1*x12 - k2*x14)/k9)/k9),
  Eq(Derivative(x13, t), (1*k9*(k1*x9 - k2*x13)/k9 + (-1)*k9*(k1*x13 - k2*x14)/k9)/k9),
  Eq(Derivative(x14, t), (1*k9*(k1*x13 - k2*x14)/k9 + 1*k9*(k1*x12 - k2*x14)/k9)/k9) ]