Langer's Sudoku Assistant

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

 

Start Over

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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