Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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