Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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