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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.

902427 puzzles downloaded.

1   5 7     12 4   8    
    12 11 9   3   6      
2   8   10 1           4
10             1 8   12  
  5 4         2 9 11    
      8     9          
          4     1      
    6 4 8         3 10  
  12   5 3             11
12           7 11   6   3
      3   6   10 11 7    
    11   1 3     2 9   10
Showing puzzle number: 2133
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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