Your standing in the middle of the staircase , facing towards an close door, now turn to your left, climb the staircase until you reach a portrait on the wall. Now turn back, on the left you can see a platform, walk to the platform, now walk straight. To the left you see a table with chairs around it, walk straight, to the left you have a fire place and now turn right. To the left you have an fire place and to the right you have an sofa unit, stand between the fire place and sofa. That's your end point.