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The 2-Minute Rule for sudoku hard - hard sudoku

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Quads tend to be rarer, and so they’re much less practical in a method because they don’t Enable you to slender down a lot of candidates all of sudden, however, if you notice one, it’s value investigating. Fixing single squares might also switch quads into triples or pairs, so don’t https://sudokuhard-hardsudoku99865.ourcodeblog.com/26679253/top-guidelines-of-sudoku-hard-hard-sudoku

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