Langer's Sudoku Assistant

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

 

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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