Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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