196.49/50.27	MAYBE
196.49/50.27	
196.49/50.27	Problem:
196.49/50.27	 a(a(a(x1))) -> b(c(x1))
196.49/50.27	 c(b(x1)) -> a(a(a(a(c(x1)))))
196.49/50.27	
196.49/50.27	Proof:
196.49/50.27	 Open
196.49/50.28	EOF