Now you are facing towards a closed door, turn to your left, you can see an open door, exit the room through an open door, move little bit froward, you can see another open door, enter into it and take right, walk two steps forward, you can see an open door to you right side, enter into it, now you can see two open doors to your left and right sides, take right, there is a staircase in-front of you walk down the staircase and stand in the middle of a staircase, that's your end point.