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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.

495728 puzzles downloaded.

  2     4 8 10     6   5
            3   7 9    
        3   12 9 4     11
        11     8   12    
3     12     11 5   8 2  
  5         1     2    
    11     1         7  
  6 1   5 12     9     8
    4   10     12        
4     1 2 5   7        
    12 4   6            
1   5     11 4 2     6  
Showing puzzle number: 412
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Very easy (0)
Solution methods: SiSo SC
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