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Sudoku puzzles disjoint groups (Su Doku)

My database includes 41726 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. The cells with the same color must also contain the digits 1 through 8. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

129005 puzzles downloaded.

8   6 3       7
    7 1        
    1          
2   4 6        
        5 6   2
          1    
        2 4    
1       7 5   8
Showing puzzle number: 25832
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Super easy (0)
Solution methods: SiSo
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