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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.

1075477 puzzles downloaded.

    11 12       10 2      
    2 1 12   8         5
      10 9 7   11        
  9 10   11             12
    7   8   9 4   1    
3     6   1       10 8  
  4 12       10   9     6
    9   2 4   8   7    
5             7   2 4  
        5   11 2 10      
6         3   1 12 9    
      2 4       8 5    
Showing puzzle number: 3849
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Super easy (0)
Solution methods: SiSo
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