[ Diff(x[1], t) = (1*k[47]*k[4]*x[2]*x[8] + (-1)*k[47]*k[9]*x[1]*x[3]*k[28]/(k[28] + x[4]) + (-1)*k[47]*(x[12] + x[13] - 17/20)*x[1]*x[4]/(k[13] + x[4]) + (-1)*k[47]*(k[14] + k[15])*x[1] + 1*k[47]*k[27]*x[5]*x[10])/k[47],
  Diff(x[2], t) = (1*k[47]*k[1] + (-1)*k[47]*k[2]*x[1]*x[2]/(k[3] + x[2]))/k[47],
  Diff(x[3], t) = (1*k[47]*k[6]*x[1]*k[29]/(k[29] + x[4]) + (-1)*k[47]*k[7]*x[3]/(k[8] + x[3]))/k[47],
  Diff(x[4], t) = (1*k[47]*k[11]*k[48]*x[7] + (-1)*k[47]*k[12]*x[4])/k[47],
  Diff(x[5], t) = ((-1)*k[47]*k[27]*x[5]*x[10] + 1*k[47]*k[10]*x[8]*k[45]/(k[45] + x[11])/(k[40] + x[8]))/k[47],
  Diff(x[6], t) = 0,
  Diff(x[7], t) = (1*k[47]*k[16] + (-1)*k[47]*k[17]*x[4]*x[7]/(k[18] + x[7]))/k[47],
  Diff(x[8], t) = ((-1)*k[47]*k[4]*x[2]*x[8] + (-1)*k[47]*k[10]*x[8]*k[45]/(k[45] + x[11])/(k[40] + x[8]) + 1*k[47]*piecewise(piecewise(Xor(t < 0, 24 < 0), t - 24*ceil(t/24), t - 24*floor(t/24)) - 8 < 0, 101/10, 0)*x[4]/(k[23] + x[4])*x[9])/k[47],
  Diff(x[9], t) = (1*k[47]*k[20] + (-1)*k[47]*k[21]*x[8]*x[9]/(k[22] + x[9]))/k[47],
  Diff(x[10], t) = (1*k[47]*k[24] + (-1)*k[47]*k[25]*x[1]*x[10]/(k[26] + x[10]))/k[47],
  Diff(x[11], t) = (1*k[47]*k[41]*x[5] + (-1)*k[47]*k[42]*x[11]/(k[43] + x[11]))/k[47],
  Diff(x[12], t) = (1*k[47]*piecewise(piecewise(Xor(t < 0, 24 < 0), t - 24*ceil(t/24), t - 24*floor(t/24)) - 8 < 0, 101/10, 0)*k[36] + (-1)*k[47]*k[37]*k[38]*x[12]/(k[38] + piecewise(piecewise(Xor(t < 0, 24 < 0), t - 24*ceil(t/24), t - 24*floor(t/24)) - 8 < 0, 101/10, 0)))/k[47],
  Diff(x[13], t) = (1*k[47]*k[37]*k[38]*x[12]/(k[38] + piecewise(piecewise(Xor(t < 0, 24 < 0), t - 24*ceil(t/24), t - 24*floor(t/24)) - 8 < 0, 101/10, 0)) + (-1)*k[47]*piecewise(piecewise(Xor(t < 0, 24 < 0), t - 24*ceil(t/24), t - 24*floor(t/24)) - 8 < 0, 101/10, 0)*k[36]*x[13]/(k[39] + x[13]))/k[47] ]