Langer's Sudoku Assistant

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