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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.

  10 12 4   2 6   7 9    
9 7     11 5            
    3   9   4 7   10    
                12   4  
            9 6 8 11    
3           12   2   10  
  2   5   3           8
    10 8 4 1            
  12   1                
    4   2 12   9   3    
            5 4     12 10
    11 7   6 1   4 8 5  
Showing puzzle number: 2997
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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