1. Locker: Open locker. Get a piece of paper. Observe the hint on the paper. Pick out numbers that only appear once: 2-4-8-11-12.
2. Keypad: Locate keypad on the wall. Enter combination: 2-4-8-11-12.
3. Door: The door is now unlocked. Exit Stage 206.
These are the only numbers wich appear just once…every other number appers twice on the papersheet
Thank you!