Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. Go back and make a different choice.

 

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

 

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