Langer's Sudoku Assistant

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

 

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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