Langer's Sudoku Assistant

Invalid Sudoku!

Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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