Turn around 180 degrees and go down the hallway. Take the first doorway on the right and walk into the bathroom. Stop just inside the door.
With the cabinets on your left, move down the corridor towards the stairs. Before you reach the stairs, turn right and enter the bathroom, stopping next to the shower.
Turn around and walk down the hallway until you see an opening on your right. Enter the door on your right, and stop in the bathroom door ahead of you.