To work effectively on a space station, it is necessary to introduce high technology. One product was a device called Cubenaut. It was named so because the device looks like a trip to an ordinary unremarkable cube. A sign that the block is installed is the shading of the gray tiles in green. Move the block along the tiles, if you see red ones, go over them, but remember that this can be done only once, after which they will disappear. Activate mechanisms that fill the voids and allow you to move on.