Langer's Sudoku Assistant

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

 

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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