Langer's Sudoku Assistant

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

 

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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