Langer's Sudoku Assistant

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

 

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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