Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 2 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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