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Sudoku puzzles irregular (Su Doku)

My database includes 18345 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 9. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

2340235 puzzles downloaded.

    1            
      1   3      
  7   2         5
  8         5   3
5 6     8     7 1
1   7         9  
7         2   5  
      6   5      
            6    
Showing puzzle number: 13921
Puzzletype: Symmetrical Sudoku
Startnumbers: 23
Difficulty: Very easy (0)
Solution methods: SiSo SC
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