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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.

2234370 puzzles downloaded.

11   3       5   7     1
        3     12 5   6  
  10   4 1   9          
  2 5   4             3
      10     2 6     5  
  6   7   11     2   4 8
4 3   2     11   12   1  
  1     9 3     11      
10             5   3 8  
          4   3 10   2  
  4   9 11     10        
8     3   1       12   6
Showing puzzle number: 7954
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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