Safe Code - A note from Dr. Katsumi containing a riddle

Safe Code - A note from Dr. Katsumi containing a riddle is one of mementos found Dying Light 2. It is part of the Artifact Collectable set.

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- What becomes smaller when you turn it upside down?
- an odd number - take away a letter and it becomes even.
- A little girl goes to the store and buys one dozen eggs. As she is going home, all but three eggs break. How many eggs are left unbroken?

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