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Killer Sudoku Tips and Strategies
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New to Killer Sudoku and excited to learn. Every now and then I have trouble getting going. Here's an example. What are some techniques I can use on difficult-to-start puzzles? : r/sudoku
Killer Su-do-ku by Michael Rios - The Art of Puzzles | The Art of Puzzles
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Killer Sudoku Tips and Strategies
