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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.

149129 puzzles downloaded.

8     5 6      
              4
    2     5    
  4 1          
          6 7  
    7     2    
3              
      7 3     6
Showing puzzle number: 32077
Puzzletype: Symmetrical Sudoku
Startnumbers: 16
Difficulty: Very easy (0)
Solution methods: SiSo SC
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