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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.

161745 puzzles downloaded.

      6       2  
5       7 4   8  
4 2       9 5    
        6        
                 
        4        
    4 5       7 8
  3   4 2       1
  6       8      
Showing puzzle number: 91
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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