Twodoku

Here we go… another “classic” Sudoku that I can’t remember posting before. Twodoku is a Gattai-2 puzzle, which means that there are two overlapping Sudokus. It’s a tough one, I think. In order to solve it, you should use all classic Sudoku solving techniques, but it would help if you also knew how to apply the Twin Nonets technique.

TwoDoku: Gattai 2 Sudoku Variant Puzzle

Difficulty: IQ
(click to download or right-click to save the image!)

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sudoku variants and other puzzle books
To see the solution to this puzzle click here
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