Sudoku, Tutorial #34 Managaing small numbers to solve very hard puzzles.
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3:11
Tutorial #35 For hard puzzles. Advanced rule of Exclusion. (box/line reduction)
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26:02
Tutorial #87. Beginners Delight. A difficult puzzle made easy
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49:49
Moonlight Market - GameNight! Se12 Ep39 - How to Play & Playthrough
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16:59
Lesson 21.Sudoku. The Xwing plus scenarios.
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21:51
Lesson 3: Learn Sudoku. Matching pairs, two empty cells
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15:05
This Sudoku Trick Can Solve VERY Hard Puzzles – SHC 280
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35:35
Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.
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27:04