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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.

1 2 9           6  
      6 2         8
3   1             5
      3   4 7      
      9       5    
    5       2      
      2 9   6      
8             2   9
2         8 10      
  6           3 2 4
Showing puzzle number: 635
Puzzletype: Symmetrical Sudoku
Startnumbers: 30
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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