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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.

754385 puzzles downloaded.

    10         7 12      
    8 2 3 4            
      1       2        
  7 4   10   12 3        
  2 6   4   5          
10   2     12 7 1        
        9 11 10     5   2
          2   4   10 3  
        8 6   11   4 2  
        11       1      
            9 8 5 1    
      9 7         6    
Showing puzzle number: 804
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Very easy (0)
Solution methods: SiSo SC
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