Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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