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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.

293360 puzzles downloaded.

  1   5         6
  5     9       2
6 9       4      
    9 2          
  6           4  
          3 1    
      6       9 7
9       7     2  
2         9   8  
Showing puzzle number: 14736
Puzzletype: Symmetrical Sudoku
Startnumbers: 24
Difficulty: Very easy (0)
Solution methods: SiSo SC
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