[ Eq(x23, (x10 + x21)/(x10 + x9 + x8 + x17 + x18 + x21 + x22)),
  Eq(x24, (x7 + x17 + x18 + x19)/(x7 + x6 + x5 + x17 + x18 + x15 + x16 + x19 + x20)),
  Eq(x25, (x4 + x15 + x16)/(x3 + x4 + x15 + x16)),
  Eq(x26, x23/k1),
  Eq(1*k2*x1 + 1*k2*x13, k2*k33),
  Eq(1*k2*x2 + 1*k2*x14, k2*k34),
  Eq(1*k2*x3 + 1*k2*x4 + 1*k2*x13 + 1*k2*x14 + 1*k2*x15 + 1*k2*x16, k2*k35),
  Eq(1*k2*x5 + 1*k2*x6 + 1*k2*x7 + 1*k2*x15 + 1*k2*x16 + 1*k2*x17 + 1*k2*x18 + 1*k2*x19 + 1*k2*x20, k2*k36),
  Eq(1*k2*x8 + 1*k2*x9 + 1*k2*x10 + 1*k2*x17 + 1*k2*x18 + 1*k2*x21 + 1*k2*x22, k2*k37),
  Eq(1*k2*x11 + 1*k2*x21 + 1*k2*x22, k2*k38),
  Eq(1*k2*x12 + 1*k2*x19 + 1*k2*x20, k2*k39) ]