The number 017 can refer to: * Puzzle Five-Card Shuffle from Professor Layton and the Curious Village * Puzzle The Worker Ant from Professor Layton and the Diabolical Box * Puzzle The Messy Note from Professor Layton and the Unwound Future * Puzzle Which Doll? from Professor Layton and the Last Specter * Puzzle Busted Umbrella from Professor Layton and the Miracle Mask * Puzzle Walking on Water from Professor Layton and the Azran Legacy * Puzzle Out of Time from Professor Layton vs. Phoenix Wright: Ace Attorney