You need to leave the bathroom and turn left, then make the go through the first doorway on the left. Now walk straight across the hall and go through that doorway. Next make a left turn and walk past the staircase, stop walking and wait by the entryway to the hall beside the stairs.
Exit bathroom and turn left into hallway. Turn left at the room with the table in the middle. Walk on the left hand side of the stairs to the archway. Stop at archway.
Exit the bathroom and turn left. after you pass an old phone on the wall turn left. Head down that hallway until you get to a large room then turn left. Walk past the stairs and wait near the left side hallway.