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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.

282062 puzzles downloaded.

2     4        
    8          
      1        
  4   3 5 7    
    7 5 3   4  
        1      
          6    
        4     5
Showing puzzle number: 27
Puzzletype: Symmetrical Sudoku
Startnumbers: 16
Difficulty: Super hard (504)
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