Langer's Sudoku Assistant

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

 

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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