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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.

2333808 puzzles downloaded.

2 10   11     7 3       6
      7 6       12 10    
          8       1 7 11
    10     9 11     7    
12           1   6     2
        12     4 10   11  
  1   8 3     5        
5     3   11           9
    7     4 12     11    
6 8 3       9          
    5 1       2 4      
11       5 10     8   9 7
Showing puzzle number: 4741
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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