Sudoku

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A community for sudoku (and similar) puzzle-solvers! Share your techniques, ask questions, or post memes (are there such things as sudoku memes?)

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submitted 9 months ago by [email protected] to c/[email protected]

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I'm working on becoming familiar with wings, chains, uniques, and all the sea animals and skyscrapers. Whatcha see here?

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[–] [email protected] 2 points 9 months ago

I noticed the same thing if you place

spoiler

7 in the lower right square if the top left group, makes it impossible to place a 7 in the bottom middle group.