Langer's Sudoku Assistant

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

 

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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