196.80/50.28	MAYBE
196.80/50.28	
196.80/50.28	Problem:
196.80/50.28	 a(x1) -> b(x1)
196.80/50.28	 b(a(c(x1))) -> c(b(a(a(x1))))
196.80/50.28	 b(b(x1)) -> c(x1)
196.80/50.28	
196.80/50.28	Proof:
196.80/50.28	 Open
196.80/50.29	EOF