Langer's Sudoku Assistant

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

 

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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