Langer's Sudoku Assistant

Invalid Sudoku!

Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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