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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.

296161 puzzles downloaded.

  7     6        
        1   9    
      9          
                 
            1   8
  4              
    2         7  
    3 5 8        
                 
Showing puzzle number: 15581
Puzzletype: Optimal Sudoku
Startnumbers: 13
Difficulty: Very easy (0)
Solution methods: SiSo SC
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