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Sudoku puzzles (Su Doku)

My database includes 300320 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 2x4 box contains the digits 1 through 8. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

693037 puzzles downloaded.

5 2            
4 6     2   3 5
      6   5 4  
      5       3
2       3      
  5 3   4      
3 7   1     2 4
            7 8
Showing puzzle number: 182059
Puzzletype: Symmetrical Sudoku
Startnumbers: 24
Difficulty: Very hard (0)
Solution methods: SiSo SC FI
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