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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.

371030 puzzles downloaded.

    3            
4 1     9        
      5   8     1
1 7         9    
  6         7    
    2   5        
            8    
                 
                 
Showing puzzle number: 17588
Puzzletype: Optimal Sudoku
Startnumbers: 15
Difficulty: Very easy (0)
Solution methods: SiSo SC
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