Langer's Sudoku Assistant

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

 

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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