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Sudoku puzzles irregular (Su Doku)

My database includes 2782 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 8. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

325588 puzzles downloaded.

8 2            
    1   2     7
  7         3  
    7          
          4    
  5         6  
7     2   6    
            2 5
Showing puzzle number: 830
Puzzletype: Symmetrical Sudoku
Startnumbers: 16
Difficulty: Very hard (0)
Solution methods: SiSo SC SB NS
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