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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.

2262217 puzzles downloaded.

9 10   6     12 11 8      
        9           11 1
    8       2 3 10      
  8 9     6   7   1 12  
      4     9       2 11
12   5 7         9   4  
  7   3         4 8   6
6 9       8     12      
  12 10   7   1     3 9  
      5 1 3       9    
1 4           8        
      9 10 11     1   3 12
Showing puzzle number: 7813
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Very easy (0)
Solution methods: SiSo SC
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