Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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