Langer's Sudoku Assistant

Invalid Sudoku!

Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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