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Sudoku puzzles (Su Doku)

My database includes 17735 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.

373940 puzzles downloaded.

7                
    8            
  9   7 2        
                 
3   6       5   7
                 
        6 9   8  
            7    
                2
Showing puzzle number: 14233
Puzzletype: Symmetrical Sudoku
Startnumbers: 14
Difficulty: Very hard (0)
Solution methods: SiSo SC SB NS FI
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