Langer's Sudoku Assistant

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

 

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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