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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.

      5 3              
    7 1   5   11        
12 10       7   1     3  
    6     10     1   12  
2   3 12 11 6       9 7  
10     4 7   9 12     11  
  9     5 3   7 4     11
  3 5       11 4 10 12   9
  11   6     10     7    
  4     12   7       2 3
        8   2   5 1    
              6 12      
Showing puzzle number: 10502
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Very easy (0)
Solution methods: SiSo SC
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