Langer's Sudoku Assistant

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

 

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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