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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.

  6     8 4            
    7     1 10       11 3
3 9           11 5      
    10                 4
    1 5   11 4 12 7   2  
4                     5
5                     11
  11   6 2 12 5   1 8    
12                 11    
      3 5           7 10
11 1       6 2     12    
            9 5     4  
Showing puzzle number: 689
Puzzletype: Symmetrical Sudoku
Startnumbers: 46
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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