Langer's Sudoku Assistant

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