Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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