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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.

313266 puzzles downloaded.

8     5        
1   8     2    
  6         7  
  5           4
6           4  
  8         3  
    2     3   1
        1     5
Showing puzzle number: 2522
Puzzletype: Symmetrical Sudoku
Startnumbers: 18
Difficulty: Very hard (0)
Solution methods: SiSo SC SB DC NS FI
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