Langer's Sudoku Assistant

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