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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.

756740 puzzles downloaded.

      3           12 6  
  6 4       7         9
10             2   9    
      6                
      11 10           8 1
2 1         8   7 3    
    3 8   7         2 5
7 5           11 8      
                3      
    10   9             6
6         4       10 3  
  3 5           4      
Showing puzzle number: 269
Puzzletype: Symmetrical Sudoku
Startnumbers: 40
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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