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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.

1923623 puzzles downloaded.

          7       12   2
12 11         9 2   1 4  
4 2             6     7
          9     8   11 6
  4   6   8       2    
3   8     6   4 12      
      10 11   8     9   12
    9       4   10   1  
11 7   3     2          
2     1             8 5
  9 7   12 5         6 1
8   3       10          
Showing puzzle number: 3856
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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