Langer's Sudoku Assistant

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

 

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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