By some miracle, the robots were in the same room, but separated by stone walls. Each of them moves in the same direction as one of the brothers. We need to make sure that the guys meet as soon as possible and go home. Inexhaustible intellect will not force to solve the simplest task, it is necessary only to think carefully about further actions. Begin the attempt with the advancement of the robi located at the lowest level of the labyrinth and watch closely the movements of the clone. Be careful on the passes, consisting of sharp moving mechanisms, they can hurt one of the brothers.