Sudoku Mastery: Hidden Rectangles and WXYZ Wings

Описание к видео Sudoku Mastery: Hidden Rectangles and WXYZ Wings

We take a look at last Friday's Diabolical-rated Sudoku puzzle from The Daily Telegraph. Simon explains a couple of logical techniques that did not help at all in solving the puzzle (but they are still interesting) before explaining two or three ways to crack the puzzle.

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