World Puzzle Federation - WPF Sudoku GP 2022 Round 1 begins this Friday! Dear sudoku fans, The WPF Sudoku Grand Prix's 2022 edition begins this Friday, on the 21st of January. The
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Eng] German Whispers Sudoku, by Marty Sears (WPF Sudoku Grand Prix 2023, round 4, puzzle 12) - YouTube
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