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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.

330054 puzzles downloaded.

  2   8       9  
          1      
  1       7 5    
                 
      7   4      
                 
    1 3       4  
      1          
  9       6   1  
Showing puzzle number: 7243
Puzzletype: Symmetrical Sudoku
Startnumbers: 16
Difficulty: Very hard (0)
Solution methods: SiSo SC SB DC FI
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