Recursive Expansion by tails

sub f{s/./substr"@_ |___|_|",$&*2,2/ger}print'_'x2**($n=<>)x4^'\x7f',map'
|'.f,eval"map{f(12012033),f __31$$}"x$n.12

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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