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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.

  2              
9   4 5 3   6    
          5   3  
                 
      8   3      
                 
  1   7          
    5   8 9 4   1
              6  
Showing puzzle number: 119
Puzzletype: Symmetrical Sudoku
Startnumbers: 18
Difficulty: Hard (0)
Solution methods: SiSo SC SB DS DC
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