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Sudoku puzzles (Su Doku)

My database includes 936 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.

226509 puzzles downloaded.

      6          
6                
            4 2 1
          5 3    
  6           4  
    3 7          
5 7 9            
                6
          9      
Showing puzzle number: 883
Puzzletype: Symmetrical Sudoku
Startnumbers: 16
Difficulty: Very hard (0)
Solution methods: SiSo SC SB DS XW FI
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