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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.

135943086 puzzles downloaded.

  2   5 8       4
        7     2 3
          4   6  
6   1 9       8  
7 9           3 1
  8       1 5   9
  6       8      
4 1     5       8
8     1 9        
Showing puzzle number: 5594995
Puzzletype: Slider Symmetrical Sudoku
Startnumbers: 30
Difficulty: Super hard (31)
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