Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 9 is invalid. Go back and make a different choice.

 

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

 

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