Input TRS:
    1: f(f(x)) -> f(c(f(x)))
    2: f(f(x)) -> f(d(f(x)))
    3: g(c(x)) -> x
    4: g(d(x)) -> x
    5: g(c(h(0()))) -> g(d(1()))
    6: g(c(1())) -> g(d(h(0())))
    7: g(h(x)) -> g(x)
Number of Rules: 7
Direct POLO(mPol) ... failed.