MAYBE
37.85/10.31	MAYBE
37.85/10.31	
37.85/10.31	Problem:
37.85/10.31	 a(x1) -> x1
37.85/10.31	 a(b(x1)) -> b(c(a(a(a(x1)))))
37.85/10.31	 a(c(c(x1))) -> b(x1)
37.85/10.31	
37.85/10.31	Proof:
37.85/10.31	 Open
37.85/10.32	EOF