Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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