Turn left from the place where you're standing and move a little forward. Now, slightly turn left and you can see an opened door. Exit the room through that opened door. Now, you're facing towards a dining table. Slightly turn left and move forward. Right now you're standing at a point where on the right side you can see an opened door and on the left side you can see a closed door. Move forward until you reach a step in front of you. Now, slightly turn right and you can see a staircase. Move towards the staircase and walk through the stairs and stand at a point, where you will be facing towards a closed door and that is the end point.