You are standing near the table and make around go straight and make a slight left turn. Where you can see two open doors on your left and right side. Go near the right side open door go closer from the door step out from the room and walk behind the stair case. Get down the stair case there you will find a open door. From the open door make a slight left turn near to the wall and get down the stairs. Here we reached our destination on the stair case.