Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Go back and make a different choice.

 

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

 

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