Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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