Langer's Sudoku Assistant

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

 

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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