Langer's Sudoku Assistant

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

 

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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