Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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