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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.

712847 puzzles downloaded.

  5       3 2 1
               
5       4      
    8 4 7 6    
    3 6 8 5    
      1       3
               
1 7 6       5  
Showing puzzle number: 175508
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Very easy (0)
Solution methods: SiSo SC
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