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Sudoku puzzles (Su Doku)

My database includes 6913752 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

74359857 puzzles downloaded.

6     5     4 9  
    3 7          
4     8          
5           8 7  
  3       6     5
  8              
          7     9
    1 3     5    
    4   2 1 3    
Showing puzzle number: 2438020
Puzzletype: Optimal Sudoku
Startnumbers: 24
Difficulty: Very easy (0)
Solution methods: SiSo SC
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