218.99/50.64	MAYBE
218.99/50.64	
218.99/50.64	Problem:
218.99/50.64	 b(a(a(b(b(a(a(b(x1)))))))) -> a(a(b(b(a(a(b(a(a(b(b(x1)))))))))))
218.99/50.64	
218.99/50.64	Proof:
218.99/50.64	 Open
218.99/50.64	EOF