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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.

549272 puzzles downloaded.

  1         6   11 8   4
    6         5 1 11    
    5   1           6  
4     9 5              
  12         3       5  
    7   8 1   11   2 9  
  2 11   10   1 7   6    
  10       3         11  
              4 8     11
  6           10   9    
    8 3 7         4    
11   1 8   10         7  
Showing puzzle number: 756
Puzzletype: Symmetrical Sudoku
Startnumbers: 48
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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