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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.

135942855 puzzles downloaded.

        5 8   6  
    2 6          
  8 5   3        
  3   8         2
          5 1    
4     9         7
        4 9      
5   7            
    1 7       4 6
Showing puzzle number: 1830475
Puzzletype: Optimal Sudoku
Startnumbers: 24
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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