Langer's Sudoku Assistant

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

 

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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