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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.

604723 puzzles downloaded.

  6 12 1               2
11       8 5     4 6    
  7   9   10   2 8 4   3
8   5           2      
        4 2 3     9    
      3       7   12    
    2   12       10      
    7     9 11 10        
      4           1   6
12   6 10 3   2   7   11  
    9 8     5 4       12
7               6 3 2  
Showing puzzle number: 595
Puzzletype: Symmetrical Sudoku
Startnumbers: 52
Difficulty: Super easy (0)
Solution methods: SiSo
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