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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.

      7 11 9     2      
9 8   4 5 3 7     11    
    11     1     9   10 3
          4         7 1
  10 4             3 2 11
  6 5 2     3 10       4
5       12 6     7 9 4  
3 7 2             6 1  
10 4         5          
1 11   8     9     5    
    9     2 4 5 10   8 6
      5     11 8 4      
Showing puzzle number: 246
Puzzletype: Symmetrical Sudoku
Startnumbers: 60
Difficulty: Super easy (0)
Solution methods: SiSo
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