Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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