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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.

717512 puzzles downloaded.

1   8   5 3    
2   7          
    6         2
      4   6    
    3   4      
6         5    
          4   3
    2 3   8   6
Showing puzzle number: 166360
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Very easy (0)
Solution methods: SiSo SC
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