Langer's Sudoku Assistant

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