Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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