[ Eq(1*k2*x8 + 1*k2*x21 + 1*k2*x22 + 1*k5*x50 + 1*k5*x51, k2*k311 + k5*k312),
  Eq(1*k2*x10 + 1*k2*x11, k2*k313),
  Eq(1*k2*x13 + 1*k2*x14, k2*k314),
  Eq(1*k2*x17 + 1*k2*x18, k2*k315),
  Eq(1*k2*x23 + 1*k2*x24, k2*k316),
  Eq(1*k2*x25 + 1*k2*x26, k2*k317),
  Eq(1*k5*x29 + 1*k5*x30 + 1*k5*x33, k5*k318),
  Eq(1*k5*x35 + 1*k5*x36, k5*k319),
  Eq(1*k5*x37 + 1*k5*x38 + 1*k5*x39, k5*k320),
  Eq(1*k5*x41 + 1*k5*x42, k5*k321),
  Eq(1*k5*x43 + 1*k5*x44, k5*k322),
  Eq(1*k5*x52 + 1*k5*x53, k5*k323),
  Eq(1*k5*x54 + 1*k5*x55, k5*k324),
  Eq(1*k3*x56 + 1*k3*x57, k3*k325),
  Eq(2*k3*x58 + 2*k3*x59, k3*k326) ]