Ultimate Sudoku

Ultimate Sudoku

Geniet van Ultimate Sudoku en van onbeperkte toegang tot meer dan 8,000 magazines op je smartphone en tablet. Zoveel je kunt lezen voor slechts € 14,99 per maand.

Over Ultimate Sudoku

Each book has 100 puzzles Did you know? The smallest number of clues in a normal Sudoku puzzle is 17. But the best mathematical minds can’t tell us why. It's been proved that no Sudoku puzzle can have 16 or fewer clues and still have only one solution - but proved only by exhaustive computer searches, not math or logic

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