Langer's Sudoku Assistant

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