Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 5 is invalid. Go back and make a different choice.

 

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

 

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