Tutorial #81 Elimination Heaven. A neat trick. You can do it. Locked Little Numbers.
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Tutorial #82 Sudoku. An Unbelievable Technique. (locked little numbers)
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Tutorial #79 A sudoku Puzzle to blow your mind.!!! Locked little numbers.
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Tutorial 58. Hard sudoku puzzle with lots of techniques.
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Tutorial #80 A difficult sudoku puzzle made easy
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Tutorial #99 WOW Lots to learn for all levels.
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The Simple Trick For Hard Sudokus
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Sudoku. Tutorial #7 Tricky
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