{ diff(x1, t) = ((-1)*k10*(k1*x2*x1 - k2*x3) + (-1)*k10*(k1*x4*x1 - k2*x5) + (-1)*k10*(k1*x6*x1 - k2*x7) + (-1)*k10*(k1*x8*x1 - k2*x9) + (-1)*k10*(k1*x10*x1 - k2*x11) + (-1)*k10*(k1*x12*x1 - k2*x13) + (-1)*k10*(k1*x14*x1 - k2*x15) + (-1)*k10*(k1*x17*x1 - k2*x23) + (-1)*k10*(k1*x29*x1 - k2*x30))/k10,
  diff(x2, t) = ((-1)*k10*(k1*x2*x1 - k2*x3) + (-1)*k10*(k8*x2 - k9*x16*x17))/k10,
  diff(x3, t) = (1*k10*(k1*x2*x1 - k2*x3) + (-1)*k10*k4*x3 + (-1)*k10*k3*x3)/k10,
  diff(x4, t) = ((-1)*k10*(k1*x4*x1 - k2*x5) + (-1)*k10*(k8*x4 - k9*x19*x17) + (-1)*k10*(k6*x4 - k7*x25*x29))/k10,
  diff(x5, t) = (1*k10*(k1*x4*x1 - k2*x5) + 1*k10*k3*x3 + (-1)*k10*k5*x5 + (-1)*k10*k4*x5 + (-1)*k10*(k6*x5 - k7*x25*x30))/k10,
  diff(x6, t) = ((-1)*k10*(k1*x6*x1 - k2*x7) + (-1)*k10*(k8*x6 - k9*x18*x17))/k10,
  diff(x7, t) = (1*k10*(k1*x6*x1 - k2*x7) + 1*k10*k4*x3 + (-1)*k10*k5*x7 + (-1)*k10*k3*x7)/k10,
  diff(x8, t) = ((-1)*k10*(k1*x8*x1 - k2*x9) + (-1)*k10*(k8*x8 - k9*x24*x17) + (-1)*k10*(k6*x8 - k7*x26*x29))/k10,
  diff(x9, t) = (1*k10*(k1*x8*x1 - k2*x9) + 1*k10*k3*x7 + (-1)*k10*k5*x9 + 1*k10*k4*x5 + (-1)*k10*(k6*x9 - k7*x26*x30))/k10,
  diff(x10, t) = ((-1)*k10*(k1*x10*x1 - k2*x11) + (-1)*k10*(k8*x10 - k9*x20*x17))/k10,
  diff(x11, t) = (1*k10*(k1*x10*x1 - k2*x11) + 1*k10*k5*x7 + (-1)*k10*k3*x11)/k10,
  diff(x12, t) = ((-1)*k10*(k1*x12*x1 - k2*x13) + (-1)*k10*(k8*x12 - k9*x21*x17) + (-1)*k10*(k6*x12 - k7*x27*x29))/k10,
  diff(x13, t) = (1*k10*(k1*x12*x1 - k2*x13) + 1*k10*k5*x5 + (-1)*k10*k4*x13 + (-1)*k10*(k6*x13 - k7*x27*x30))/k10,
  diff(x14, t) = ((-1)*k10*(k1*x14*x1 - k2*x15) + (-1)*k10*(k8*x14 - k9*x22*x17) + (-1)*k10*(k6*x14 - k7*x28*x29))/k10,
  diff(x15, t) = (1*k10*(k1*x14*x1 - k2*x15) + 1*k10*k3*x11 + 1*k10*k5*x9 + 1*k10*k4*x13 + (-1)*k10*(k6*x15 - k6*x28*x30))/k10,
  diff(x16, t) = 1*k10*(k8*x2 - k9*x16*x17)/k10,
  diff(x17, t) = (1*k10*(k8*x2 - k9*x16*x17) + 1*k10*(k8*x6 - k9*x18*x17) + 1*k10*(k8*x4 - k9*x19*x17) + 1*k10*(k8*x10 - k9*x20*x17) + 1*k10*(k8*x8 - k9*x24*x17) + 1*k10*(k8*x12 - k9*x21*x17) + 1*k10*(k8*x14 - k9*x22*x17) + (-1)*k10*(k1*x17*x1 - k2*x23))/k10,
  diff(x18, t) = 1*k10*(k8*x6 - k9*x18*x17)/k10,
  diff(x19, t) = 1*k10*(k8*x4 - k9*x19*x17)/k10,
  diff(x20, t) = 1*k10*(k8*x10 - k9*x20*x17)/k10,
  diff(x21, t) = 1*k10*(k8*x12 - k9*x21*x17)/k10,
  diff(x22, t) = 1*k10*(k8*x14 - k9*x22*x17)/k10,
  diff(x23, t) = 1*k10*(k1*x17*x1 - k2*x23)/k10,
  diff(x24, t) = 1*k10*(k8*x8 - k9*x24*x17)/k10,
  diff(x25, t) = (1*k10*(k6*x4 - k7*x25*x29) + 1*k10*(k6*x5 - k7*x25*x30))/k10,
  diff(x26, t) = (1*k10*(k6*x8 - k7*x26*x29) + 1*k10*(k6*x9 - k7*x26*x30))/k10,
  diff(x27, t) = (1*k10*(k6*x12 - k7*x27*x29) + 1*k10*(k6*x13 - k7*x27*x30))/k10,
  diff(x28, t) = (1*k10*(k6*x14 - k7*x28*x29) + 1*k10*(k6*x15 - k6*x28*x30))/k10,
  diff(x29, t) = (1*k10*(k6*x4 - k7*x25*x29) + 1*k10*(k6*x8 - k7*x26*x29) + 1*k10*(k6*x12 - k7*x27*x29) + 1*k10*(k6*x14 - k7*x28*x29) + (-1)*k10*(k1*x29*x1 - k2*x30))/k10,
  diff(x30, t) = (1*k10*(k6*x5 - k7*x25*x30) + 1*k10*(k6*x9 - k7*x26*x30) + 1*k10*(k6*x13 - k7*x27*x30) + 1*k10*(k6*x15 - k6*x28*x30) + 1*k10*(k1*x29*x1 - k2*x30))/k10 }