Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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