Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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