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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.

104482909 puzzles downloaded.

    5            
  8   2 1        
2 1             5
7   4 1       6  
  9   3       7 8
          9      
  4         2 3  
        4 2     6
      5   6 9 1  
Showing puzzle number: 2808593
Puzzletype: Optimal Sudoku
Startnumbers: 26
Difficulty: Very easy (0)
Solution methods: SiSo SC
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