Tutorial #82 Sudoku. An Unbelievable Technique. (locked little numbers)
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Tutorial #83 Elimination Heaven Part 2. Lots to learn.!
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Tutorial #87. Beginners Delight. A difficult puzzle made easy
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Tutorial #100 A SPECIAL GUEST.
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Tutorial #81 Elimination Heaven. A neat trick. You can do it. Locked Little Numbers.
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This AMAZING Trick Can Solve Extreme Sudoku
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That's 3 In The Corner... Of The Sudoku. And That's All?
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Tutorial #80 A difficult sudoku puzzle made easy
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