197.25/50.49	MAYBE
197.25/50.49	
197.25/50.49	Problem:
197.25/50.49	 a(b(b(b(a(a(a(a(x1)))))))) -> a(a(a(a(a(b(b(b(a(a(b(b(b(x1)))))))))))))
197.25/50.49	
197.25/50.49	Proof:
197.25/50.49	 Open
197.25/50.50	EOF