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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.

9 8 10   3       2   5  
            4 10 8   11  
7   6 1                
6 1           7 9      
          3   12     7 4
  3   11     5 8   1    
    1   8 4     5   10  
5 4     11   7          
      9 6           3 8
                10 2   12
  2   3 10 12            
  7   6       11   8 9 3
Showing puzzle number: 892
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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