Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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