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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.

135797803 puzzles downloaded.

  5   8 3        
  4 7 6          
    1 2   4      
    8       7 2 5
6               1
1 7 3       8    
      9   8 1    
          7 4 9  
        2 3   8  
Showing puzzle number: 1720592
Puzzletype: Symmetrical Sudoku
Startnumbers: 28
Difficulty: Very hard (0)
Solution methods: SiSo SC NS FI
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