Input TRS:
    1: s(a()) -> a()
    2: s(s(x)) -> x
    3: s(f(x,y)) -> f(s(y),s(x))
    4: s(g(x,y)) -> g(s(x),s(y))
    5: f(x,a()) -> x
    6: f(a(),y) -> y
    7: f(g(x,y),g(u,v)) -> g(f(x,u),f(y,v))
    8: g(a(),a()) -> a()
Number of Rules: 8
Direct QTKBOS ... orients all.
	I(a) = 3
	I(f) = x1 + x2 + 1	sigma(f) = [1,2]
	I(g) = x1 + 2 * x2 + 3	sigma(g) = [2,1]
	I(s) = 2 * x1	sigma(s) = [1]
    PREC: s > f > a = g
Number of Rules: 0