Langer's Sudoku Assistant

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