Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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