Langer's Sudoku Assistant

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