Langer's Sudoku Assistant

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