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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.

1443020 puzzles downloaded.

11 10   6     4 7   3   1
7     2   11 1 10 12      
  5 9   12   2         4
    1       10 11        
  12     7       9     11
    4             5 2  
  9 5             11    
3     1       12     7  
        11 1       4    
6         7   8   1 5  
      12 2 5 9   6     8
8   10   1 6     7   12 9
Showing puzzle number: 215
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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