Langer's Sudoku Assistant

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