Langer's Sudoku Assistant

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

 

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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