Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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