Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 1 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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