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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.

311127 puzzles downloaded.

                 
    3 4 9     8  
    8       7    
      9         1
    1       6    
7         2      
    2       3    
  7     2 9 4    
                 
Showing puzzle number: 13764
Puzzletype: Symmetrical Sudoku
Startnumbers: 18
Difficulty: Very hard (0)
Solution methods: SiSo SC SB NS
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