Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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