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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.

4                
            9 1  
            7    
  5         6    
2     1          
  3              
          5      
                7
  8              
Showing puzzle number: 17323
Puzzletype: Optimal Sudoku
Startnumbers: 12
Difficulty: Very easy (0)
Solution methods: SiSo SC
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