Langer's Sudoku Assistant

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

 

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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