196.42/50.22	MAYBE
196.42/50.22	
196.42/50.22	Problem:
196.42/50.22	 a(x1) -> x1
196.42/50.22	 a(b(a(b(x1)))) -> c(b(c(x1)))
196.42/50.22	 c(x1) -> b(a(a(x1)))
196.42/50.22	
196.42/50.22	Proof:
196.42/50.22	 Open
196.42/50.23	EOF