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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.

2325776 puzzles downloaded.

  2 1     8     12      
      5       1   11   9
12 7     11             4
3     9   2     8 10   11
    8         3 6     12
    6     7   12   3 1  
  3 11   6   5     8    
10     2 12         6    
8   12 6     4   3     1
5             6     4 8
6   9   2       5      
      12     8     2 9  
Showing puzzle number: 6806
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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