Langer's Sudoku Assistant

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