Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

6
3
1
8
2
5
9
7
4
8
2
7
4
3
       
      6
      9
1
5
      3
      6
       
9
4
       
   5  6
       
       
      6
      9
1
7
5
2
8
1
9
6
4
8
7
2
5
3
3
4
5
2
9
1
6
7
8
7
8
2
       
   5  6
       
3
       
   5  6
       
4
9
1
5
6
2
7
4
9
3
1
8
9
1
3
7
6
2
5
8
4
8
7
4
1
5
3
2
6
9

 

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