You are in the middle of the staircase. Go in the upward direction through the stairs. Take right once you reach up. Move forward, you will find another three staircase, pass through that. You will find a door if you move forward. Enter into that door, take right from here. There will be a three step staircase. Go through it, move forward. There will be white cupboards on you both sides, pass through them. Take left from here. You will find a door, enter into that door, then you can enter into a room. Take left once you entered. That will be your end point in front id the cupboards and then stop.