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Sudoku puzzles disjoint groups (Su Doku)

My database includes 67954 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. 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.

402754 puzzles downloaded.

  4         8 2 6
6 3             9
9     4   5      
  6 1            
      8   4      
            2 3  
      2   9     4
4             9 2
3 2 9         7  
Showing puzzle number: 19410
Puzzletype: Symmetrical Sudoku
Startnumbers: 26
Difficulty: Super easy (0)
Solution methods: SiSo
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