weergaven
X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles
Х-wing - an Advanced Sudoku technique
Y-wing (XY Wing) - an Advanced Sudoku technique
Sudoku Tutorial #62. How to spot an X wing using rows, and then knowing what to do!
Sudoku Solving Tip - X Wing Technique
Sudoku Tricks: The X-Wing And How To Spot It
In which I solve an EXTREME SUDOKU for Twitter
The XY Wing a.k.a. the Y Wing: A Useful Sudoku Solving Technique When You Are STUCK !!!