Langer's Sudoku Assistant

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