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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.

341182 puzzles downloaded.

  4   9          
        5 1     9
                2
9       2       4
    4       9    
7       4       8
5                
8     6 9        
          3   1  
Showing puzzle number: 2248
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Very hard (0)
Solution methods: SiSo SC SB FI
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