Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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