Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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