Langer's Sudoku Assistant

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

 

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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