Learn To Solve Diabolical/Extreme Sudoku - The XYZ Wing

Описание к видео Learn To Solve Diabolical/Extreme Sudoku - The XYZ Wing

We take a look at last Friday's Diabolical Sudoku from The Daily Telegraph. Nothing too hard until an XYZ wing appears - and this is a good chance to explain the difference between this and a Y-Wing!

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