Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 3 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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