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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.

1073909 puzzles downloaded.

  8         10     6    
5 10 3 9 8   7     12   1
    1         3   10   5
      11   7 3     1    
2 3     10 11            
      8 6       12 11 10 3
11 12 5 3       1 8      
            12 6     11 7
    7     8 5   1      
9   4   11         8    
3   8     9   2 10 7 1 6
    10     12         4  
Showing puzzle number: 8266
Puzzletype: Symmetrical Sudoku
Startnumbers: 58
Difficulty: Harder (0)
Solution methods: SiSo SC XW
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