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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.

486342 puzzles downloaded.

  9 12           4   8  
  1 5           7      
        11       9   2  
8     2       11        
      6       1   7 4  
    9 10   3       6    
    7       10   11 4    
  8 11   5       2      
        6       12     7
  7   11       4        
      8           1 3  
  5   3           8 10  
Showing puzzle number: 782
Puzzletype: Symmetrical Sudoku
Startnumbers: 42
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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