Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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