List of all dxSudokus: [ Ссылка ]

The video has three parts. The first part decribes what is an XY-Wing pattern and the way the logic works. The second part shows how to find an XY-Wing pattern in a puzzle. The third part tests what you have learned. The testing puzzles are designed to provide you additional insight into finding an XY-wing pattern in a Sudoku puzzle.

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