Langer's Sudoku Assistant

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

 

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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