Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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