Talk to your uncle (Y).
Take the PICKLOCK (Z).
Connect the PICKLOCK to the door (A); turn the handle (B).
Go through the door.
Play the HOP.
You receive the HANDLE (C).
Take the EMPTY BUCKET (D).
Connect the HANDLE to the window (E); turn the handle.
Take the PAPERWEIGHT (F) and the FIRST-AID KEY (G).
Put down the EMPTY BUCKET (H).
Enter the Controllerâ€™s Office.