Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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