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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.

135942631 puzzles downloaded.

  1 6       9 5  
4   7 1     2   8
9     5         6
            6 8  
      6   9      
  3 1            
7         2     1
5   3     7 8   9
  2 8       7 4  
Showing puzzle number: 3110053
Puzzletype: Symmetrical Sudoku
Startnumbers: 30
Difficulty: Very hard (0)
Solution methods: SiSo SC SB NS
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