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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.

2188262 puzzles downloaded.

11 12           5     10 2
  4 8               1  
      6 12       4 11   5
          5 6 2       4
12         8   4 10 1    
        1     12 2 9   7
2   10 1 9     7        
    7 4 6   5         10
9       8 10 4          
6   4 12       8 1      
  2               12 11  
3 1     5           2 9
Showing puzzle number: 8534
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Very easy (0)
Solution methods: SiSo SC
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