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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.

720913 puzzles downloaded.

                  4 10  
11 3       4            
      12         3 9 11 8
            4       5 3
    8   7   9       1  
7 12       2 8   1   9  
  6   5   1 12       2 11
  1       9   3   12    
5 7       11            
8 11 5 1         4      
            6       8 5
  2 10                  
Showing puzzle number: 702
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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