You are standing in a room, facing towards the open door, turn left, in-front of you there is a staircase, get down the staircase until you reach a wall in-front of you, to the right you can see few steps, stand in-front of the steps, turn back, walk straight. Slightly turn left, walk straight, in-front of you there are few steps, get down the steps completely, to the left you can see a black chair, walk to the chair, in-front of you there is an closed glass door, walk to the door, turn left, in-front of you there is a narrow window, walk to the window, stand in-front of the window, that's your end point.