Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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