Yellow and green blocks are already delivered to the pixel warehouse. They are dropped where necessary, the stevedores have not taken care of the convenience of our hero, and he will have to pull all this away to certain places. Colored cargo corresponds to the place of the same color. It is necessary to move boxes and set to square marks, But the problem is that when a collision the cubes change colors, becoming emerald or cream. Allocated places must be occupied in any case. Move the objects using the arrows in Shifting.