Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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