From the starting room, go out into the main area and go up one of the two sets of stairs. Get the yellow key. Go back down, then go down another set of stairs, go in the yellow door, then enter the teleporter. Go through the door straight ahead, then go up the elevator. Go down the hallway to the largest of the three rooms, and get either the blue or red key, depending on which teleporter you entered. Go back down, and enter the teleporter. Go in the yellow door behind you. Do the same thing you did on the other side. After teleporting back, go up the stairs, and go down the elevator at the North end of the room. Go through one of the doors on your left or right. Continue forward, and go in the teleporter. Press the switch, and then go in the teleporter. Go straight ahead, open the door,