Langer's Sudoku Assistant

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