Langer's Sudoku Assistant

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