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Tag Archives: HARD
Why another Sudoku solver?
First of all, Perfect Sudoku is not only a Sudoku solver. It is most importantly a generator of what I call perfect Sudoku puzzles. It can also be used as a playing program. What’s a perfect sudoku? A perfect sudoku has these properties: 1. It’s symmetrical; 2. It has one and only one solution; 3. […]
