Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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