Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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