Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

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

 

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