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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.

848782 puzzles downloaded.

4     7        
  6           1
5 3     6      
6   4       3 7
1 5       6   3
      2     1 4
7           4  
        3     5
Showing puzzle number: 253522
Puzzletype: Symmetrical Sudoku
Startnumbers: 22
Difficulty: Very easy (0)
Solution methods: SiSo SC
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