Langer's Sudoku Assistant

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