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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.

218667 puzzles downloaded.

9 6   7 1     2 8
3   1 2 8     9  
6         7      
4 9         7    
1 2   6   9   3 4
    9         4 2
      9         5
  1     4 3 9   7
2 4     9 6   5 1
Showing puzzle number: 21440
Puzzletype: Symmetrical Sudoku
Startnumbers: 38
Difficulty: Very hard (0)
Solution methods: SiSo SC FI
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