Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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