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.

 

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

 

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