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Sudoku puzzles (Su Doku)

My database includes 6911765 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

24617324 puzzles downloaded.

9   4   1        
              4  
  1     9     2 3
  2       3     8
    7   4   5    
5     7       1  
        8       6
  7 6       9    
    2   7       1
Showing puzzle number: 2459269
Puzzletype: Slider Symmetrical Sudoku
Startnumbers: 25
Difficulty: Very hard (0)
Solution methods: SiSo SC FI
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