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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.

255292 puzzles downloaded.

    7           9
3         8   7  
                 
                 
  6 5       1 2  
                 
                 
  3   8         6
6           3    
Showing puzzle number: 5536
Puzzletype: Symmetrical Sudoku
Startnumbers: 14
Difficulty: Very hard (0)
Solution methods: SiSo SC SB FI
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