You are facing towards the lamp right now, slightly turn to your left, you can find a chair infront of you, go behind the chair, slightly turn to your right, you can find an opening, go near the opening, slightly turn to your right, walk in between the dining table which is to your left and the table which is to your right,you can find an opened door infront of you, walk through the opened door and stand infront of the shredder, which is in between the two chairs, that would be your end point.