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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.

104366 puzzles downloaded.

            4 7  
    5 4         8
                 
2   9         6  
      8 5 7      
  5         8   3
                 
3         4 7    
  1 8            
Showing puzzle number: 116
Puzzletype: Symmetrical Sudoku
Startnumbers: 19
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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