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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.

665298 puzzles downloaded.

6 10 4     1 8       12 5
        3              
  2     7           6  
11 3 6 10   9 12   5      
5           2 6   4   7
12   11 7         1 9    
    2 4         9 12   6
1   3   11 6           4
      3   10 7   11 2 8 9
  12           5     10  
              4        
10 4       7 1     11 2 3
Showing puzzle number: 945
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Super easy (0)
Solution methods: SiSo
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