Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Go back and make a different choice.

 

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

 

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