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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.

1115750 puzzles downloaded.

3     4   12 6         1
    2   11 10   8     7  
  9 11 5                
11       1 3     8   10  
  1 10       8     2    
    6   12     2   1 3 11
6 4 1   10     5   9    
    12     8       5 1  
  3   2     7 1       10
                5 7 2  
  6     5   3 10   4    
12         1 2   11     9
Showing puzzle number: 8499
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Very easy (0)
Solution methods: SiSo SC
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