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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.

124491274 puzzles downloaded.

1     8         9
  9 3   1   6 5  
        5        
  3     4 1 2    
    4       3    
    7 9 8     6  
        9        
  5 9   6   8 4  
4     3         5
Showing puzzle number: 1996159
Puzzletype: Slider Symmetrical Sudoku
Startnumbers: 28
Difficulty: Very hard (0)
Solution methods: SiSo SC SB DS NS FI
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