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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.

848592 puzzles downloaded.

4   7       3  
      8   1    
              3
7   1   5   6  
  5   4   2   6
6              
    5   8      
  8       4   2
Showing puzzle number: 26258
Puzzletype: Symmetrical Sudoku
Startnumbers: 20
Difficulty: Very easy (0)
Solution methods: SiSo SC
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