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X-Wing and Swordfish Techniques For those who have mastered the basic techniques like single-digit elimination and naked pairs, X-Wing and Swordfish are the next steps towards expert-level solving. wsj sudokusudoku with shapes By following the tips provided in this article and utilizing the available resources, you can master the art of solving Sudoku puzzles. strategies for solving sudoku Pay Attention to Killer Clues: The Killer Clues are your best friends in hard Killer Sudoku puzzles.
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