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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.

326200 puzzles downloaded.

3 7   1       5
  6     3      
  1       6    
            8  
  3            
    3       7  
      3     5  
6       1   3 2
Showing puzzle number: 2142
Puzzletype: Symmetrical Sudoku
Startnumbers: 18
Difficulty: Very hard (0)
Solution methods: SiSo SC SB NS
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