Langer's Sudoku Assistant

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

 

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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