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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.

253944 puzzles downloaded.

                 
1       8        
  3   2   9      
      1     3    
      8   2      
    5     6      
      9   5   3  
        4       5
                 
Showing puzzle number: 4214
Puzzletype: Symmetrical Sudoku
Startnumbers: 16
Difficulty: Very hard (0)
Solution methods: SiSo SC SB NS FI
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