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Sudoku puzzles irregular and disjoint groups (Su Doku)

My database includes 3788 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 6. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

155072 puzzles downloaded.

1         2
  3 6      
           
           
      6 1  
5         4
Showing puzzle number: 2697
Puzzletype: Symmetrical Sudoku
Startnumbers: 8
Difficulty: Very easy (0)
Solution methods: SiSo SC
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