Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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