Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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