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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.

721304 puzzles downloaded.

4 3           7
    6 1   3    
        2      
    1   7 4 3  
  5 7 4   1    
      6        
    8   1 2    
2           6 5
Showing puzzle number: 259204
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Medium (0)
Solution methods: SiSo SC SB DS
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