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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.

49635357 puzzles downloaded.

9 5 3 4     8 6 2
                 
4     5         1
  3   1       4  
    4   8   1    
  7       4   9  
7         9     6
                 
2 1 9     7 5 8 3
Showing puzzle number: 2597196
Puzzletype: Symmetrical Sudoku
Startnumbers: 29
Difficulty: Very hard (0)
Solution methods: SiSo SC SB DS XW NS FI
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