Sudoku Y Wing Sudoku xy Wing Explained
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XY Wing also known as Y Wing is an advanced Sudoku tutorial. It uses a bi-value cell called pivot and helps eliminate candidates using it.

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Sudoku Y Wing Sudoku xy Wing Explained

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Sudoku tutorial #67 The XY wing and Y wing. Are they the same

Help me please, so I just learned about the xy wing technique, I
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