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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.

1677718 puzzles downloaded.

7   2   9 5            
8             12        
      5 6 2 11   1 10    
  2         12   5   6  
10 12     8       3      
1   4 11   7 5         10
2         9 6   8 3   1
      9       3     4 6
  4   3   10         7  
    3 6   12 7 8 2      
        5             9
            9 10   7   12
Showing puzzle number: 3346
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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