Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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