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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.

2189851 puzzles downloaded.

9   11   4 5     8   2  
  8     6         5    
    2   11   1       3 6
10     8     11       5  
  2 12         5 10      
    6       4     8 9  
  3 8     12       1    
      7 5         6 10  
  6       3     9     2
6 1       2   11   9    
    5         6     12  
  4   12     9 8   2   3
Showing puzzle number: 4706
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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