Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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