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Sudoku Masterclass: Y-Wing Into Y-Wing
Sudoku Mastery: The Y Wing (or XY Wing)
Sudoku tutorial #67 The XY wing and Y wing. Are they the same?
Advanced Sudoku Technique: The Y-Wing
The Best Way To Understand The Sudoku Y-Wing Technique
Advanced Sudoku: Y-Wings And W-Wings
Learn the Y-Wing and XYZ-Wing Sudoku techniques!
How to spot the Y-wing technique in classic sudokus?
Sudoku Masters: Rare Uniqueness Tip Trumps X-Wings & Y-Wings!
New Sudoku Trick: The "Mirrored" Y-Wing
More Y-Wings and Other Chains
Wayne Gould's Extreme Su Doku Masterclass Part 2
