{ 1*k2*x1 + 1*k2*x3 + 1*k2*x4 + 1*k2*x5 + 1*k2*x6 + 1*k2*x21 + 1*k2*x22 + 1*k2*x23 = k2*k47,
  1*k2*x2 + 1*k2*x3 + 1*k2*x5 + 1*k2*x7 + 1*k2*x9 + 1*k2*x10 + 1*k2*x11 + 1*k2*x12 + 1*k2*x14 + 1*k2*x15 + 1*k2*x24 + 1*k2*x25 + 1*k2*x26 = k2*k48,
  1*k2*x8 + 1*k2*x9 + 1*k2*x11 + 1*k2*x16 + 1*k2*x17 + 1*k2*x19 + 1*k2*x27 = k2*k49,
  1*k2*x12 + 1*k2*x13 + 1*k2*x14 + 1*k2*x15 + 1*k2*x21 + 1*k2*x22 + 1*k2*x23 = k2*k50,
  1*k2*x17 + 1*k2*x18 = k2*k51,
  1*k2*x19 + 1*k2*x20 + 1*k2*x24 + 1*k2*x25 + 1*k2*x26 + 1*k2*x27 = k2*k52 }