[ x[32] = piecewise(t < 0, 0, 0),
  x[33] = piecewise(t < 0, 0, 1),
  x[34] = x[2],
  x[35] = x[6],
  x[36] = x[8],
  x[37] = x[10] + x[12],
  x[38] = x[11] + x[12],
  x[39] = x[15],
  x[40] = x[17],
  x[41] = x[19],
  x[42] = x[21] + x[23],
  x[43] = x[22] + x[23],
  x[44] = x[25] + x[27],
  x[45] = x[26] + x[27],
  1*k[61]*x[1] + 1*k[61]*x[2] + 1*k[61]*x[3] = k[61]*k[62],
  1*k[61]*x[4] + 1*k[61]*x[5] + 1*k[61]*x[6] = k[61]*k[63],
  1*k[61]*x[7] + 1*k[61]*x[8] = k[61]*k[64],
  1*k[61]*x[9] + 1*k[61]*x[10] + 1*k[61]*x[11] + 1*k[61]*x[12] = k[61]*k[65],
  1*k[61]*x[13] + 1*k[61]*x[14] + 1*k[61]*x[15] = k[61]*k[66],
  1*k[61]*x[16] + 1*k[61]*x[17] = k[61]*k[67],
  1*k[61]*x[18] + 1*k[61]*x[19] = k[61]*k[68],
  1*k[61]*x[20] + 1*k[61]*x[21] + 1*k[61]*x[22] + 1*k[61]*x[23] = k[61]*k[69],
  1*k[61]*x[24] + 1*k[61]*x[25] + 1*k[61]*x[26] + 1*k[61]*x[27] = k[61]*k[70],
  1*k[61]*x[28] + 1*k[61]*x[29] = k[61]*k[71],
  1*k[61]*x[30] + 1*k[61]*x[31] = k[61]*k[72] ]