Langer's Sudoku Assistant

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

 

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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