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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.

40746194 puzzles downloaded.

  2     5 6      
4         2      
9   8 7       6  
    4            
3           5   8
  6 1         4 2
        6 9 4    
  9 3   1        
      5   7      
Showing puzzle number: 5733348
Puzzletype: Optimal Sudoku
Startnumbers: 25
Difficulty: Very easy (0)
Solution methods: SiSo SC
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