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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.

752993 puzzles downloaded.

            8 6        
  3   9 7   1          
6       1 3       10   8
  10   6         9   4  
      12     4     8    
11 7         2   12     5
12     2   10         7 3
    3     9     8      
  9   3         7   12  
4   6       10 2       7
          7   11 5   8  
        2 12            
Showing puzzle number: 272
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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