Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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