195.80/50.06	MAYBE
195.80/50.06	
195.80/50.06	Problem:
195.80/50.06	 a(x1) -> x1
195.80/50.06	 a(x1) -> b(b(x1))
195.80/50.06	 b(b(b(c(x1)))) -> c(c(a(a(x1))))
195.80/50.06	
195.80/50.06	Proof:
195.80/50.06	 Open
195.94/50.07	EOF