Langer's Sudoku Assistant

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