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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.

                2 1   11
  11 9       4   10   6  
  10     2         8 9  
11 5     10   2         9
8   2   5     1        
  12       6       7   3
5   12       6       4  
        12     7   9   6
9         8   3     1 7
  7 5         6     11  
  2   3   5       4 7  
6   1 8                
Showing puzzle number: 7907
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Very easy (0)
Solution methods: SiSo SC
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