Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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