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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.

1629707 puzzles downloaded.

3       9             10
1         3 4   5     12
  11 4 10 5     8 9 7 3  
    6 7   4 9     5    
            10 2 1 4    
      3 6     11 8      
      1 12     4 2      
    12 2 11 7            
    10     1 8   7 6    
  1 8 5 3     6 11 10 9  
11     6   9 2         8
9             1       7
Showing puzzle number: 3894
Puzzletype: Symmetrical Sudoku
Startnumbers: 58
Difficulty: Super easy (0)
Solution methods: SiSo
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