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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.

2   4          
            7  
    1     5   8
        6     1
7     6        
6   7     8    
  8            
          4   2
Showing puzzle number: 459
Puzzletype: Symmetrical Sudoku
Startnumbers: 16
Difficulty: Super hard (188)
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