Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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