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The Ultimate Guide To sudoku hard - hard sudoku

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Quads are much rarer, and they’re less helpful in a way considering the fact that they don’t Enable you to slim down numerous candidates all of sudden, however, if you spot 1, it’s value investigating. Fixing single squares could also change quads into triples or pairs, so don’t forget about https://alcuinv543lqe4.wikipublicist.com/user

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