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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.

10             5 12   6 11
  12   2         4 1   8
1   7     12   2     9  
      8   9   7   4 12  
7       5     1        
      6   8         10  
  6         8   11      
        2     4       9
  4 8   10   12   2      
  10     12   4     11   1
6   11 7         8   2  
4 3   12 11             6
Showing puzzle number: 3304
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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