Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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