{ 1*k7*x27 + 1*k7*x28 = k7*k219,
  1*k7*x30 + 1*k7*x31 = k7*k220,
  1*k7*x33 + 1*k7*x34 = k7*k221,
  1*k7*x36 + 1*k7*x37 = k7*k222,
  1*k7*x39 + 1*k7*x40 = k7*k223,
  1*k7*x41 + 1*k7*x42 = k7*k224,
  1*k7*x44 + 1*k7*x45 = k7*k225,
  1*k7*x48 + 1*k7*x49 = k7*k226,
  1*k7*x50 + 1*k7*x51 = k7*k227,
  1*k7*x52 + 1*k7*x53 = k7*k228,
  1*k7*x82 + 1*k7*x83 = k7*k229,
  1*k7*x90 + 1*k7*x91 = k7*k230 }