198.04/50.66	MAYBE
198.04/50.67	
198.04/50.67	Problem:
198.04/50.67	 a(a(b(c(b(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(b(c(b(a(a(b(c(b(x1))))))))))))))
198.04/50.67	
198.04/50.67	Proof:
198.04/50.67	 Open
198.04/50.67	EOF