Langer's Sudoku Assistant

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