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Sudoku puzzles (Su Doku)

My database includes 34638 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row and every column contains the digits 1 through 9. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

290174 puzzles downloaded.

4         3 8   1
3   8         9 7
  9       2     8
        4   6 5  
    6 4   8 7    
  2 1   6        
7     5       3  
2 1         3   9
6   7 9         2
Showing puzzle number: 29169
Puzzletype: Symmetrical Sudoku
Startnumbers: 32
Difficulty: Super hard (645)
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