Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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