Langer's Sudoku Assistant

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

 

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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