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Sudoku puzzles (Su Doku)

My database includes 936 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 9. The grey boxes is even numbers and the white boxes is odd. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

271785 puzzles downloaded.

    4            
      1          
              5  
  9       4      
                 
      3       6  
  4              
          7      
            2    
Showing puzzle number: 920
Puzzletype: Symmetrical Sudoku
Startnumbers: 10
Difficulty: Super hard (1163)
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