Langer's Sudoku Assistant

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

 

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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