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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.

124714 puzzles downloaded.

6 7     2        
    9     6      
                 
  9 6           5
        6        
2           3 5  
                 
      3     5    
        8     9 4
Showing puzzle number: 88
Puzzletype: Symmetrical Sudoku
Startnumbers: 17
Difficulty: Hard (0)
Solution methods: SiSo SC SB DS DC
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