Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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