How to play Sudoku. Rules and solution methods

La difficulté du sudoku dépend du nombre de cases remplies au départ et des méthodes utilisées pour le résoudre. Jouer régulièrement au sudoku améliore la mémoire et la clarté mentale tout en ralentissant le vieillissement des cellules cérébrales.

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How to play Sudoku. Rules and solution methods

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