Langer's Sudoku Assistant

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