Introduction Hidden pairs are an integral part of sudoku, and it’s important to understand exactly what they are and how ...
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Introduction Hidden Triples sudoku, also known as Hidden Girdles or Hidden Quadruples, is considered by many to be the most ...
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Introduction In this fun and challenging twist on the classic logic puzzle jellyfish sudoku, you’ll fill in all of the ...
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X-Wing Sudoku might be one of the most interesting and challenging techniques for solving Sudoku puzzles out there, and if ...
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You might have heard of Sudoku before, but did you know there’s a fun variation that can help you boost ...
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