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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.

307068 puzzles downloaded.

    5         4  
      5   9   1  
7           2    
      4          
8               2
          6      
    7           1
  6   9   7      
  3         7    
Showing puzzle number: 3550
Puzzletype: Symmetrical Sudoku
Startnumbers: 18
Difficulty: Super easy (0)
Solution methods: SiSo
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