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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.

2193116 puzzles downloaded.

    9 11 5 12            
  2   4 11   3       9  
      12       7 5      
  9 5 8       10     3 6
  1   7     5 6 8 12    
  6       7 8     1    
    3     2 11       12  
    6 9 7 3     2   8  
1 7     12       3 5 4  
      3 4       10      
  12       9   3 4   6  
            7 12 9 8    
Showing puzzle number: 8313
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Very easy (0)
Solution methods: SiSo SC
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