[ 1*x[1] + 1*x[25] + 1*x[27] + 1*x[33] = k[64] + k[65],
  1*x[2] + 1*x[9] = k[66],
  1*x[3] + 1*x[4] = k[67],
  1*x[5] + 1*x[26] = k[68],
  1*x[6] + 1*x[15] + 1*x[19] = k[69],
  1*x[7] + 1*x[18] + 1*x[23] = k[70],
  1*x[8] + 1*x[24] = k[71],
  1*x[10] + 1*x[17] + 1*x[28] + 1*x[30] + 1*x[31] + 1*x[32] = k[72],
  1*x[11] + 1*x[13] = k[73],
  1*x[12] + 1*x[14] + 1*x[28] + 1*x[30] + 1*x[31] = k[74],
  1*x[16] + 1*x[20] = k[75],
  1*x[21] + 1*x[22] = k[76],
  1*x[29] + 1*x[31] + 1*x[32] = k[77] ]