dxSudoku #37 XYZ-Wing Puzzle Solving Technique
12:00
dxSudoku #38 Swordfish Puzzle Solving Technique
13:51
dxSudoku #35 XY-Wing Puzzle Solving Technique
10:15
The XYZ Wing, HOW to Find it, and WHY it works!
40:57
Learn the Y-Wing and XYZ-Wing Sudoku techniques!
11:41
Tutorial # 42. the XYZ wing in a sudoku puzzle.Wow! Hard to spot.
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This AMAZING Trick Can Solve Extreme Sudoku
19:09
“I've NEVER seen strength like this before”
19:43