Langer's Sudoku Assistant

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