Langer's Sudoku Assistant

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

 

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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