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![R.XY − W ] (XY-Wing technique) and [R.XY Z − W ] (XYZ-Wing technique) | Download Scientific Diagram](https://www.researchgate.net/publication/252951780/figure/fig3/AS:340329757724694@1458152345833/RXY-W-XY-Wing-technique-and-RXY-Z-W-XYZ-Wing-technique.png "R.XY − W ] (XY-Wing technique) and [R.XY Z − W ] (XYZ-Wing technique) | Download Scientific Diagram")
R.XY − W ] (XY-Wing technique) and [R.XY Z − W ] (XYZ-Wing technique) | Download Scientific Diagram
How To Identify Sudoku X-Wing Pattern - Sudoku Essentials
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WXYZ-Wing ,How to solve sudoku puzzles - Solving sudoku strategy
