Langer's Sudoku Assistant

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