Langer's Sudoku Assistant

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

 

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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