Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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