198.39/50.70	MAYBE
198.39/50.70	
198.39/50.70	Problem:
198.39/50.70	 b(a(a(b(a(b(a(a(b(x1))))))))) -> a(b(a(b(a(a(b(a(a(b(a(b(x1))))))))))))
198.39/50.70	
198.39/50.70	Proof:
198.39/50.70	 Open
198.39/50.71	EOF