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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.

173969 puzzles downloaded.

  3 7   1        
4                
                 
    8 9          
                 
          4 9    
                 
                5
        7   8 6  
Showing puzzle number: 274
Puzzletype: Symmetrical Sudoku
Startnumbers: 12
Difficulty: Very hard (0)
Solution methods: SiSo SC SB NS
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