Look at the clock on the wall (back view) – time is 3:15. In mirror writing (reverse digits), 3:15 becomes → 0513 ? Try 513 (3-digit) but lock is 4-digit: 0513 or 3150 . Correct: 0513 (mirror of 3:15 vertically reflected).

Box opens → get a and a battery . Step 5 – Laptop on Desk Place the red memory card into the laptop (on desk). Screen asks for a password. Hint from earlier: “Books tell time” – go to bookshelf, find a book with a clock drawing inside. Page number = 247 . Enter 247 on laptop.