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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.

368567 puzzles downloaded.

3               9
                 
  2              
      7          
        5        
    2            
      8     9    
4 7     6        
    3     1      
Showing puzzle number: 16194
Puzzletype: Optimal Sudoku
Startnumbers: 13
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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