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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.

575532 puzzles downloaded.

  2                    
8     2 3       9     11
10   12   6   5   11      
      11   3 4   6      
    4 1           3    
    11   12 10 1 5        
        5 7 10 1   11    
    6           3 5    
      3   11 9   10      
      4   5   6   1   3
3     12       7 5     10
                    6  
Showing puzzle number: 523
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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