You are standing in a room, facing to towards the open door, exit the room through the open door, turn left, walk straight, in-front of you there is another open door, walk to the open door, turn back. exit the room through the open door, turn right, walk straight in the narrow path. Walk straight, until you see a brown lockers on your right, now turn right, in-front of you there is a close door, walk to the close door, stand in-front of the door, that's your end point.