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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.

135620111 puzzles downloaded.

    1   6     8  
  5       9      
2   6 5   7      
4               2
3 6     4     7 8
5               6
      8   5 6   4
6     9       2  
        3   1    
Showing puzzle number: 4110866
Puzzletype: Slider Symmetrical Sudoku
Startnumbers: 27
Difficulty: Super hard (37)
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