Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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