Langer's Sudoku Assistant

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

 

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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