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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.

1481716 puzzles downloaded.

  12 7   9 6 8     11    
8   3 9 4 7       1    
        5     3 9 12    
      7               9
  9   3             10  
  10 2       5 1       4
7       1 11       10 9  
  8             5   12  
3               11      
    1 2 12     6        
    8       10 4 3 2   1
    4     1 3 9   6 8  
Showing puzzle number: 2378
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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