196.35/50.21	MAYBE
196.35/50.21	
196.35/50.21	Problem:
196.35/50.21	 a(x1) -> x1
196.35/50.21	 a(a(x1)) -> b(b(c(x1)))
196.35/50.21	 b(x1) -> x1
196.35/50.21	 c(b(x1)) -> b(a(c(x1)))
196.35/50.21	
196.35/50.21	Proof:
196.35/50.21	 Open
196.35/50.21	EOF