Langer's Sudoku Assistant

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

 

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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