Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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