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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.

2041900 puzzles downloaded.

    8     9 2       11  
2   4   1     11 8      
1   12 9 5   8   7      
    9 2 7   11 4        
12             1        
7     3         5 4 12  
  10 6 4         9     11
        3             6
        6 11   7 3 10    
      7   1   10 11 8   5
      1 12     6   7   2
  9       8 7     6    
Showing puzzle number: 4264
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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