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Sudoku puzzles diagonals (Su Doku)

My database includes 60550 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. The diagonals must also contain 1 through 9. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

1056992 puzzles downloaded.

  9     1   2   7
      4     9    
                 
          3 1   6
  1   7 6 8   3  
3   7 1          
                 
    3     7      
2   1   4     9  
Showing puzzle number: 55581
Puzzletype: Symmetrical Sudoku
Startnumbers: 23
Difficulty: Very easy (0)
Solution methods: SiSo SC
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