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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.

2078796 puzzles downloaded.

      6   2 10   3 1    
  3 2   12   5 1       8
4 5   7               6
2   12   6       10   3  
  11   9   1            
5   3   11         9    
    9         12   11   3
            1   4   5  
  7   4       8   6   12
3               7   9 4
6       1 4   7   3 8  
    4 8   9 12   11      
Showing puzzle number: 8512
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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