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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.

621717 puzzles downloaded.

        10          
1 6   9            
    8 1   5 6     9
  2 6     4     3  
4 5       2       6
6       9       8 3
  9     4     6 7  
2     3 5   4 1    
            8   9 5
          6        
Showing puzzle number: 230
Puzzletype: Symmetrical Sudoku
Startnumbers: 34
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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