A small square block is moving down a long corridor. He has to overcome not a small distance full of various obstacles. On the way it will be other blocks. And he can't break them. You can only fly around. And you will have to help our brave hero in this. Choose the right trajectory of movement and try not to go astray. Otherwise, you will interrupt your path and will be forced to be content with a small result. Do not give up! Try again and again. Until victory is in your hands. Good luck!