Langer's Sudoku Assistant

Invalid Sudoku!

Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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