Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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