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Sudoku hard - hard sudoku - An Overview

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Quads tend to be rarer, and they’re significantly less valuable in a way since they don’t let you slim down a lot of candidates all at once, but when you see a person, it’s really worth investigating. Solving single squares could also convert quads into triples or pairs, so don’t https://ryszarde218ckp4.estate-blog.com/profile

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