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    • 日本語
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      • サインアップ
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      • 7  Things  Sudoku header

        7 Things Sudoku Lovers Must Know

        For all you fanatics out there, we will be jotting down 7 Sudoku facts that you must know!

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      • What Makes Sudoku Easy, Medium, Or Hard header.

        What Makes Sudoku Easy, Medium, Or Hard? Here’s The Science Behind Sudoku Levels

        If you want to master Sudoku, you most likely wonder how Sudoku difficulty levels are established... The main idea behind this puzzle is that a partially filled 9 x 9 grid needs to receive a set of numbers from 1 to 9...

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      • two rows of black and white chess pawns facing one another and between them one black pawn wearing a champion's crown

        What Makes A Sudoku Champion?

        open you up to the top secrets of the champions, and I’m sure your approach to the game will elicit your top rankings in days to come! So... let’s get started!

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      • Three golden trophies with blue white and red ribbons sitting on a competition table at the sudoku world championship

        Sudoku Competitions Around The World

        The World Sudoku Championship is an international competition, with yearly events being hosted by various countries. Individuals and teams gather to solve over 100 puzzles, all with the aim of deciding the ultimate champion of the world...

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      • A table with tea mug and a stack of Sudoku newspaper with a pen on top of them

        The Sudoku Godfather

        Wayne Gould is considered by many to be the man who brought sudoku to its popularity in the United Kingdom, and thereafter in the United States. He was born in Hawera, New Zealand in 1945 and he is a retired Hong Kong judge. Gould spent 6 years developing a computer program...

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