Langer's Sudoku Assistant

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

 

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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