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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.

    8         3 4 1   12
      11       4       5
    10     1 7       8 9
    3       2 12     11 1
  6   1   4   10       7
    2 5 3         4    
    12         6 5 8    
1       8   5   9   4  
5 10     9 3       12    
10 11       9 6     5    
9       4       11      
4   5 2 7         6    
Showing puzzle number: 1073
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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