Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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