Tutorial 58. Hard sudoku puzzle with lots of techniques.
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Tutorial 59. The rectangle pattern within a Sudoku block.
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Tutorial #79 A sudoku Puzzle to blow your mind.!!! Locked little numbers.
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🔴 HUARONG DAO SLIDING NUMBER PUZZLE BRAIN CHALLENGE #asmr #viral #shorts
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Techniques for Hard Sudoku
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Sudoku Tutorial # 88 The many tricks for Matching Pairs.
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Lesson 7. Learn sudoku. The cross /meet technique.
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Sudoku Tutorial #62. How to spot an X wing using rows, and then knowing what to do!
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