Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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