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Sudoku puzzles irregular and disjoint groups (Su Doku)

My database includes 131 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 6. The cells with the same color must also contain the digits 1 through 9. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

114893 puzzles downloaded.

    1       7    
  2     7        
  7 2       5    
    8         1  
5 6           8 9
  4         6    
    9       3 7  
        5     9  
    6       4    
Showing puzzle number: 69
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Super easy (0)
Solution methods: SiSo
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