Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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