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The Ultimate Guide To sudoku hard - hard sudoku

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Quads are much rarer, plus they’re much less beneficial in a means considering that they don’t let you narrow down a lot of candidates abruptly, however, if you see one particular, it’s worthy of investigating. Solving single squares may also change quads into triples or pairs, so don’t forget about https://georgess665sua0.daneblogger.com/profile

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