Langer's Sudoku Assistant

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

 

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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