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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.

2189287 puzzles downloaded.

      6           1    
        10   8          
    11 8   3 12 5   4   10
10 6   7 11 5         9  
  8   4   7         1  
12       9     8   6   3
6   12   4     9       7
  2         3   9   4  
  9         7 10 1   5 6
3   2   8 1 6   11 5    
          10   7        
    8           7      
Showing puzzle number: 6963
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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