Another Must Know technique Tutorial # 41 NOT a Puzzle
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Tutorial # 42. the XYZ wing in a sudoku puzzle.Wow! Hard to spot.
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2 AMAZING Sudoku Tricks That Changed My Life
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Sudoku. Lesson 13 Sudoku There is only one place it can go.
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Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.
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Tutorial #79 A sudoku Puzzle to blow your mind.!!! Locked little numbers.
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Tutorial #87. Beginners Delight. A difficult puzzle made easy
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Tutorial #99 WOW Lots to learn for all levels.
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