Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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