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deleted 21 characters in body

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edited Sep 11, 2016 at 8:57

GolfScript, 9898 83 bytes

~2/~:h~l.2/~){:b h~)o:i;{o{.abs.b i abs.@.!!{{.@\%.}do}{}if;1={;;'*'}{.@=\0=&*;1={'@''*'}{' '}ifif\.i|!{\;'@'\}if@@*).(h<}do;n\l*;i).(h<:i;n}do;*

Input = 11

 **** **** 
* * * * * *
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    *@*    
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* * * * * *
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~2/:h~){:b h~){.abs.b abs.@.{{.@\%.}do}{}if;1={;;'*'}{.@=\0=&{'@'}{' '}if}if@@).(h<}do;n\).(h<}do;

Input = 11

 **** **** 
* * * * * *
** ** ** **
* * * * * *
***********
    *@*    
***********
* * * * * *
** ** ** **
* * * * * *
 **** ****

~:l.2/~):o:i;{o{.abs i abs.!!{{.@\%.}do}*;1={'*'}{' '}if\.i|!{\;'@'\}*)}l*;i):i;n}*

Input = 11

 **** **** 
* * * * * *
** ** ** **
* * * * * *
***********
    *@*    
***********
* * * * * *
** ** ** **
* * * * * *
 **** ****

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created Aug 28, 2016 at 19:02

~2/:h~){:b h~){.abs.b abs.@.{{.@\%.}do}{}if;1={;;'*'}{.@=\0=&{'@'}{' '}if}if@@).(h<}do;n\).(h<}do;

Input = 11

 **** **** 
* * * * * *
** ** ** **
* * * * * *
***********
    *@*    
***********
* * * * * *
** ** ** **
* * * * * *
 **** ****