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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.

251245 puzzles downloaded.

               
5   7   8   2 3
6   5       8  
3             5
8             2
  3       2   8
2 6   8   7   1
               
Showing puzzle number: 246
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Super hard (318)
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