{ 1*k99*x1 + 1*k99*x3 + 1*k99*x6 + 1*k99*x7 = k99*k110,
  1*k99*x9 + 1*k99*x10 = k99*k111,
  1*k99*x17 + 1*k99*x18 = k99*k112 }