Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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