Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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