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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.

158500 puzzles downloaded.

1               3
2 6         8 5  
    8           6
  9       1      
    3   2   1    
      6       7  
5           3    
  3 7         8 2
4               7
Showing puzzle number: 110
Puzzletype: Symmetrical Sudoku
Startnumbers: 23
Difficulty: Super easy (0)
Solution methods: SiSo
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