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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.

747378 puzzles downloaded.

1     10 9   6   3      
            1   6   3  
        7 3   12 8      
  6           7        
    6   1   5   11     9
7     8 6         12    
    11         6 12     4
10     12   2   5   1    
        12           4  
      6 11   3 2        
  12   5   1            
      4   6   11 9     10
Showing puzzle number: 484
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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