{ 1*k40*x1 + 1*k40*x10 = k40*k41,
  1*k40*x2 + 1*k40*x11 = k40*k42,
  1*k40*x3 + 1*k40*x12 + 1*k40*x13 + 1*k40*x25 + 1*k40*x26 + 1*k40*x27 + 1*k40*x28 + 1*k40*x29 + 1*k40*x30 + 1*k40*x31 + 1*k40*x32 = k40*k43,
  1*k40*x4 + 1*k40*x14 + 1*k40*x20 = k40*k44,
  1*k40*x5 + 1*k40*x15 = k40*k45,
  1*k40*x6 + 1*k40*x16 + 1*k40*x21 = k40*k46,
  1*k40*x7 + 1*k40*x17 + 1*k40*x22 = k40*k47,
  1*k40*x8 + 1*k40*x18 + 1*k40*x23 = k40*k48,
  1*k40*x9 + 1*k40*x19 + 1*k40*x24 = k40*k49 }