Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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