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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.

756740 puzzles downloaded.

      6     12 10 3 1 11  
7 12 6 3     8     4   2
    8     4 2 12   6 9  
                      7
2     5           8    
    2           11   1 10
3 4   11           7    
    12           5     3
1                      
  8 7   3 12 4     9    
12   1     10     8 11 4 9
  5 4 8 6 2     1      
Showing puzzle number: 267
Puzzletype: Symmetrical Sudoku
Startnumbers: 54
Difficulty: Super easy (0)
Solution methods: SiSo
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