Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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