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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.

309154 puzzles downloaded.

    2 4 5   9    
  1   3   2 5    
  5     6       1
  4         7    
                 
    8         1  
3       1     7  
    5 9   3   6  
    9   8 4 3    
Showing puzzle number: 41407
Puzzletype: Symmetrical Sudoku
Startnumbers: 26
Difficulty: Super easy (0)
Solution methods: SiSo
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