Langer's Sudoku Assistant

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

 

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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