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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.

129671331 puzzles downloaded.

      1   7      
  8     6   1    
6       3 4 9   8
          1      
  1 2 6 7       4
  5 7 2          
              4 5
7       5 3   9  
            3    
Showing puzzle number: 436351
Puzzletype: Optimal Sudoku
Startnumbers: 26
Difficulty: Very easy (0)
Solution methods: SiSo SC
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