Langer's Sudoku Assistant

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

 

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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