Walk down the stairs and continue down the hallway that is ahead and to the left. Walk past the stairs and turn left. Wait near the doorway to the bathroom in the next hallway.
Turn around and walk down the remainder of the steps, head slightly to the left and then make your way through the door, continue to walk until you see a door, turn hard left towards the door and stop.
Continue down the stairs, then take a dogleg to the left to continue down the corridor. Keep going forward past the stairs leading downwards on your right. When you can go to the left towards the bathroom, step through the opening and then stop.