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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.

747541 puzzles downloaded.

        9     6   8    
10     1   8 7     5    
9 1 8 11                
      7   2 9          
      4 5         6 2  
6 8 11           2 7    
    9 2           12 3 8
  10 3         11 4      
          12 2   6      
                9 3 12 7
    4     3 8   11     5
    10   1     7        
Showing puzzle number: 731
Puzzletype: Symmetrical Sudoku
Startnumbers: 48
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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