Langer's Sudoku Assistant

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