[ Eq(1*k1*x3 + 1*k1*x4, k1*k62),
  Eq(1*k1*x5 + 1*k1*x6, k1*k63),
  Eq(1*k1*x7 + 1*k1*x8, k1*k64),
  Eq(1*k1*x9 + 1*k1*x10, k1*k65),
  Eq(1*k1*x11 + 1*k1*x12, k1*k66),
  Eq(1*k1*x13 + 1*k1*x14, k1*k67),
  Eq(1*k1*x15 + 1*k1*x16, k1*k68),
  Eq(1*k1*x17 + 1*k1*x18, k1*k69),
  Eq(1*k1*x20 + 1*k1*x21, k1*k70),
  Eq(1*k1*x22 + 1*k1*x23, k1*k71),
  Eq(1*k1*x24 + 1*k1*x25, k1*k72) ]