MAYBE
230.85/60.22	MAYBE
230.85/60.22	
230.85/60.22	Problem:
230.85/60.22	 a(b(c(a(x1)))) -> b(a(c(b(a(b(x1))))))
230.85/60.22	 a(d(x1)) -> c(x1)
230.85/60.22	 a(f(f(x1))) -> g(x1)
230.85/60.22	 b(g(x1)) -> g(b(x1))
230.85/60.22	 c(x1) -> f(f(x1))
230.85/60.22	 c(a(c(x1))) -> b(c(a(b(c(x1)))))
230.85/60.22	 c(d(x1)) -> a(a(x1))
230.85/60.22	 g(x1) -> c(a(x1))
230.85/60.22	 g(x1) -> d(d(d(d(x1))))
230.85/60.22	
230.85/60.22	Proof:
230.85/60.22	 Open
230.85/60.23	EOF