Langer's Sudoku Assistant

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