Langer's Sudoku Assistant

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

 

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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