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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.

210592 puzzles downloaded.

        6 5    
          2   8
  8 6 5       7
2 4            
            5 1
8       3 6 2  
5   1          
    8 3        
Showing puzzle number: 22675
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Super easy (0)
Solution methods: SiSo
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