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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.

2311192 puzzles downloaded.

      12     4     1 6  
    4     5           8
  3     9     7 2 10   4
  6 2 5 8 7       11   10
4   7   12   6          
3     10 2     9        
        6     4 3     7
          1   12   4   9
1   6       3 10 11 5 2  
11   3 4 1     2     7  
5           10     2    
  9 12     8     10      
Showing puzzle number: 6983
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Very easy (0)
Solution methods: SiSo SC
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