Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 3 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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