Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. Go back and make a different choice.

 

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

 

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