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Sudoku puzzles (Su Doku)

My database includes 34638 puzzles for the moment and I'm constantly generating more.

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

For more information check out Wikipedia.

300105 puzzles downloaded.

9   3   4 6      
  4     2   3 1 5
4 1         6 7 2
      2     1    
  5   4   8   6  
    2     4      
6 7 4         9 3
1 6 5   9     3  
      6 8   4   9
Showing puzzle number: 18137
Puzzletype: Symmetrical Sudoku
Startnumbers: 36
Difficulty: Very hard (0)
Solution methods: SiSo SC DS XW FI
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