Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Go back and make a different choice.

 

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

 

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