Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 7 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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