Langer's Sudoku Assistant

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