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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.

2300953 puzzles downloaded.

        1 12     5     11
  1     7   8       2 10
3   8   11   4     7    
  3                    
  8   12   1     10     4
  7     2   3 6   11   1
1   9   10 7   4     11  
4     2     1   12   3  
                    9  
    3     4   7   2   9
9 4       10   12     1  
6     10     9 1        
Showing puzzle number: 7612
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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