There is a main door that's in the center of the front of the building, and a back door in the same location at the back. {1st floor of building} --- (main door) (door2)| |(door1) --- (stairs to 2nd floor) ___________________________ (wall) --- (back stairs) (back door2)| |(back door1) --- (back door of building) My apartment door(s) would be directly above door1 on the 2nd floor.