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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.

106684 puzzles downloaded.

  4       7     9
  6 3       7 2  
                 
6 2              
8 9           3 7
              5 8
                 
  8 6       5 1  
9     5       8  
Showing puzzle number: 121
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Super easy (0)
Solution methods: SiSo
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