198.32/50.67	MAYBE
198.32/50.67	
198.32/50.67	Problem:
198.32/50.67	 b(a(a(a(b(b(a(a(a(b(x1)))))))))) -> a(a(a(b(b(a(a(a(b(a(a(a(b(b(x1))))))))))))))
198.32/50.67	
198.32/50.67	Proof:
198.32/50.67	 Open
198.32/50.68	EOF