Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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