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Sudoku puzzles irregular (Su Doku)

My database includes 1215 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 10. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

570800 puzzles downloaded.

  3     10          
    4             7
    5           8 3
10 5 8 3            
      4 5   1 3    
    3 1   4 8      
            9 5 2 10
2 9           8    
4             1    
          3     7  
Showing puzzle number: 40
Puzzletype: Symmetrical Sudoku
Startnumbers: 30
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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