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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.

507415 puzzles downloaded.

6     10   11     3 2   12
      2             3 5
10 4     3              
  8         4 5     1  
            9 8   12    
        11           8  
  10           11        
    7   8 10            
  12     2 4         6  
              12     2 11
5 3             4      
7   2 4     10   8     1
Showing puzzle number: 466
Puzzletype: Symmetrical Sudoku
Startnumbers: 42
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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