Langer's Sudoku Assistant

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

 

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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