Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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