Obvious triples - Sudoku technique

Watch the video and learn how to apply Obvious triples strategy in Sudoku game! Train your brain and have fun!

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Techniques: Naked Pairs/Triples - Sudoku Of The Day

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Obvious pairs - a Sudoku technique for beginners

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Sudoku Assistant -- Solving Techniques

am I dumb or am I stupid? Am I missing something obvious or is it

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Obvious pairs - Sudoku technique

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Naked Triple , How to solve sudoku puzzles - Solving sudoku strategy