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Sudoku puzzles (Su Doku)

My database includes 6913752 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.

129726231 puzzles downloaded.

      5         6
        6 3   1  
  6       9 3 7  
  1 2   5       9
  7   9   8   2  
6       3   8 4  
  3 6 8          
  5   3 4   9    
2         5      
Showing puzzle number: 4148585
Puzzletype: Slider Symmetrical Sudoku
Startnumbers: 30
Difficulty: Super hard (97)
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