You are facing towards the wall and the white door. Turn left and there are two open rooms on either side of you. Slightly turn left and enter into the open room. You are now at the entrance of a washroom. Turn around and there is an open room in front of you. Turn right and walk through the open entrance. Now you are facing a closed white door. Slightly turn left and move towards the staircase. Now you are standing in front of the staircase. That will be the end point.