Langer's Sudoku Assistant

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

 

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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