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Sudoku puzzles irregular (Su Doku)

My database includes 1031 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 12. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

604949 puzzles downloaded.

4   11   10   3     8    
            4 9 12      
  10               6    
      7 6 12   1   9    
    12         7   10 3  
6   2         4   12    
    1   7         5   11
  8 10   11         3    
    7   12   2 10 6      
    5               10  
      5 9 6            
    4     2   5   11   6
Showing puzzle number: 735
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Very easy (0)
Solution methods: SiSo SC
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