Langer's Sudoku Assistant

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

 

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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