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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.

                7 4 8  
11 4         2   1   6  
        4     9        
    8 6       12   10    
    4   2   8         1
  9   12   6     4     8
10     2     9   12   5  
5         12   1   8    
    6   3       10 11    
        8     3        
  3   5   11         4 12
  7 11 4                
Showing puzzle number: 334
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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