Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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