Langer's Sudoku Assistant

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

 

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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