Langer's Sudoku Assistant

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

 

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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