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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.

850481 puzzles downloaded.

    1          
    7 8       1
1         2 8 5
5 8     7      
      2     1 3
4 1 5         2
7       3 8    
          6    
Showing puzzle number: 151192
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Very easy (0)
Solution methods: SiSo SC
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