You are now facing the wall, from there take an about turn. Walk straight until you find black color staircases in front of you. Now go down the stairs and stand at the entrance of the room, take a left turn walk straight and enter into the room. From there slightly turn to your left, walk a few steps forward and again take a left turn. Enter into the rest room and stand in the middle of the room facing to the wall, here comes your destination point.