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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.

270341 puzzles downloaded.

5                
                 
8                
      7     5    
  6   5   8   9  
    4     6      
                9
                 
                1
Showing puzzle number: 449
Puzzletype: Symmetrical Sudoku
Startnumbers: 12
Difficulty: Super hard (161)
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