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Sudoku puzzles (Su Doku)

My database includes 10934 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 3x4 box contains the digits 1 through 12. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

2333808 puzzles downloaded.

  6             12     9
        9 3   6        
8 3 10           6   7  
    4         5     1  
  9 7 12 10     3 4 11   6
    3   4   9         12
9         11   2   5    
1   8 11 3     4 10 6 12  
  2     8         1    
  10   7           9 5 11
        11   10 1        
3     6             2  
Showing puzzle number: 6120
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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