Move the newspapers; take the KEY and note the 1725 code (T).
Move the board (U).
Use the HOOK to bring the chest aboard (V).
Use the SCREWDRIVER on the lid and open the crate (W).
Play the HOP to earn the 1/2 SKULL SYMBOL (A).
Walk down twice.
Enter the code 1725 (B).
Open the chest and take the 2/2 SKULL SYMBOL (C).
Place the 2/2 SKULL SYMBOL in the indentation (D).