Langer's Sudoku Assistant

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