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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.

2333808 puzzles downloaded.

    2 3 8 9 7 4   6    
  8 11                 3
  9 10         3 1   8  
                6   12  
    7   1 5 9 10     3  
    9 4   12   2        
        7   6   4 11    
  7     12 2 8 9   10    
  2   9                
  4   12 11         9 7  
10                 2 11  
    6   2 10 5 1 12 3    
Showing puzzle number: 6226
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Super easy (0)
Solution methods: SiSo
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