MAYBE
33.45/10.19	MAYBE
33.45/10.19	
33.45/10.19	Problem:
33.45/10.19	 a(x1) -> x1
33.45/10.19	 a(b(x1)) -> b(b(a(a(c(a(x1))))))
33.45/10.19	 c(c(b(x1))) -> x1
33.45/10.19	
33.45/10.19	Proof:
33.45/10.19	 Open
33.45/10.19	EOF