Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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