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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.

2267539 puzzles downloaded.

11 5   6 2   9   1   3  
  4     1 11            
  1     3   6 5   11 9 10
4   5 8   9       12    
2                   5  
        5       10 8   4
7   1 4       9        
  3                   2
    10       1   9 6   12
5 7 2   9 6   8     1  
            7 1     11  
  6   1   2   10 7   4 8
Showing puzzle number: 2000
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Super easy (0)
Solution methods: SiSo
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