Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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