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The World Puzzle Championship Challenge: Are You as Bright as the Best?: Moore, Dr. Gareth: 9781472142689: Amazon.com: Books
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Kirchheim, Germany. 30th Sep, 2019. A puzzle author sits in front of the participants of the Sudoku World Championship and has the running time in view. Until Saturday, around 230 ratefüchse from
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Enjoying monotony helps': how to take on the world in competitive jigsaw puzzling | Puzzle games | The Guardian
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