Sudoku Tricks: The X-Wing And How To Spot It
18:44
This Sudoku Actually Teaches The X-Wing Technique!
37:08
Sudoku Tutorial #62. How to spot an X wing using rows, and then knowing what to do!
28:03
Extreme Sudoku: Wings, Skyscrapers & Empty Rectangles
19:46
These 2 Tricks Can Solve Most Of The World’s Hardest Sudokus
21:18
Expert Sudoku: The Basic Techniques Used By Champions
17:53
How To Solve XY-Wings EFFORTLESSLY (5 Amazing Tips) - SHC 268
17:50
The Most Under-Used Sudoku Technique
27:03