Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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