Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 3 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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