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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.

846306 puzzles downloaded.

8       3      
      1   5 7  
5 7     2     8
          4    
    2          
4     5     6 3
  8 6   4      
      4       1
Showing puzzle number: 115444
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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