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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.

691574 puzzles downloaded.

    11           4     10
              11 1 5 12 2
7 11       10 5     12   9
2 6                   5
    5 11   6   12 7   8  
          4     8   10 11
9 1   6     4          
  10   5 7   8   2 9    
5                   1 12
1   10     5 6       11 7
6 2 3 7 11              
4     9           1    
Showing puzzle number: 950
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Super easy (0)
Solution methods: SiSo
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