Langer's Sudoku Assistant

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