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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.

    3 9          
                 
  4 1   2        
  9     4   2   1
  7           8  
3   4   9     5  
        7   5 9  
                 
          3 8    
Showing puzzle number: 4999
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Super easy (0)
Solution methods: SiSo
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