[ Eq(1*k99*x1 + 1*k99*x3 + 1*k99*x6 + 1*k99*x7, k99*k110),
  Eq(1*k99*x9 + 1*k99*x10, k99*k111),
  Eq(1*k99*x17 + 1*k99*x18, k99*k112) ]