Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 1 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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