Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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