Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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