Langer's Sudoku Assistant

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

 

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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