Langer's Sudoku Assistant

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