Langer's Sudoku Assistant

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

 

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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