Langer's Sudoku Assistant

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