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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.

688383 puzzles downloaded.

2   4 6   5            
10   6   11         12   9
8 1   9                
      12 6     10 1      
  11     8 4   2 6      
6 3                    
                    11 10
      5 1   11 12     6  
      11 2     1 3      
                5   9 7
12   8         4   10   11
            6   7 8   2
Showing puzzle number: 112
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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