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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.

1132243 puzzles downloaded.

4   2 6 10              
      12     2 1   4    
9 10       5 8   2 12 7  
        1         5   8
5     2 4   10          
7             2 9   4 3
12 5   9 2             1
          1   5 8     2
10   1         11        
  3 10 7   2 1       11 9
    9   11 6     3      
              10 7 2   12
Showing puzzle number: 6188
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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