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.

 

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

 

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