February 19, 2010
Toughest Sudoku
The puzzle below is the toughest Sudoku puzzle I’ve ever solved. For your enjoyment.
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hooeezit
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The puzzle below is the toughest Sudoku puzzle I’ve ever solved. For your enjoyment.
Congratulations on solving this. I don’t know what techniques you may have used to work this out, but there is one technique I used that made this puzzle easy. Look up the technique “Finned X-Wing.”