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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.

  11     7   5         12
  3       9            
    8               3  
  6   1   10 7 3 12      
1               3   11 9
    10 9           3 4  
  7 12           10 11    
10 4   11               5
      6 4 2 11   5   8  
  5               4    
            3       1  
3         6   12     10  
Showing puzzle number: 242
Puzzletype: Symmetrical Sudoku
Startnumbers: 44
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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