Langer's Sudoku Assistant

Invalid Sudoku!

Column 5 is invalid. Go back and make a different choice.

 

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

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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