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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.

135942610 puzzles downloaded.

    7     2     8
    6 9     1    
2     4 5       9
          5   3  
  3       7      
1       6   9   5
    1         8  
            4    
7     1          
Showing puzzle number: 2492319
Puzzletype: Optimal Sudoku
Startnumbers: 23
Difficulty: Very easy (0)
Solution methods: SiSo SC
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