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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.

1225163 puzzles downloaded.

5         9   3       12
9             10   11 8  
4 7           8   6    
  8     6     5 3     11
  11   6 7         10 5  
            12 11   1 6  
  4 7   12 2            
  9 12         4 10   1  
2     10 8     1     4  
    6   10           2 3
  5 9   3             8
11       9   8         1
Showing puzzle number: 2916
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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