Langer's Sudoku Assistant

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