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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.

812996 puzzles downloaded.

6   2       1  
    1 4 7 5    
    7         1
        8   3  
  6   7        
2         4    
    6 2 1 8    
  3       6   7
Showing puzzle number: 44470
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Very easy (0)
Solution methods: SiSo SC
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