Langer's Sudoku Assistant

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

 

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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