Langer's Sudoku Assistant

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

 

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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