Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. Go back and make a different choice.

 

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

 

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