You are standing near a staircase inside a room, which has an opening in front of you, exit this room and take the opening on your right, once you are inside this room , you should be standing in between the wall and the partition on your right, so move straight ahead and as the partition on your right ends, turn a slight left and take the first entrance near the two sinks on your left once you are near the first sink on your left beside the hair dryer you are done.