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Sudoku puzzles (Su Doku)

My database includes 300320 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 2x4 box contains the digits 1 through 8. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

853225 puzzles downloaded.

1       7      
2         3   6
    6 2   5    
        2   3  
  5   4        
    2   8 7    
3   4         8
      5       3
Showing puzzle number: 251830
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Very easy (0)
Solution methods: SiSo SC
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