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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.

1402346 puzzles downloaded.

9               10 11    
  11       3   10     9  
    5   8   12   2 7    
    6           4      
  10 9   7 1 6     2 8  
  1     9 2           11
3           8 11     1  
  6 8     12 3 2   9 11  
      1           5    
    11 10   6   5   3    
  5     4   1       10  
    3 12               6
Showing puzzle number: 4802
Puzzletype: Symmetrical Sudoku
Startnumbers: 50
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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