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Sudoku puzzles irregular (Su Doku)

My database includes 2782 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 8. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

350321 puzzles downloaded.

8   1 6        
              6
  3            
5       6      
      8       4
            3  
7              
        5 6   2
Showing puzzle number: 2587
Puzzletype: Symmetrical Sudoku
Startnumbers: 14
Difficulty: Super hard (2736)
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