Langer's Sudoku Assistant

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

 

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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