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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.

280827 puzzles downloaded.

4 7 5          
  3   8        
8       3      
  6           5
5           8  
      4       1
        1   5  
          8 2 4
Showing puzzle number: 530
Puzzletype: Symmetrical Sudoku
Startnumbers: 18
Difficulty: Very hard (0)
Solution methods: SiSo SC SB DS DC NS FI
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