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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.

853225 puzzles downloaded.

3         2    
        7   8  
      2       7
  8 1   4   2 5
8 7   3   1 5  
1       6      
  1   4        
    5         1
Showing puzzle number: 181713
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Medium (0)
Solution methods: SiSo SC SB DS
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