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On line 1 :
  GATTACA,GATTAC,ATTACA,TTACA,GATTA,ATTAC,TTAC,TACA,
...
  GATTACA,GATTAC,ATTACA,TTACA,GATTA,ATTAC,TTAC,TACA,
  GATT,ATTA,TTA,TAC,
GAT,ATT,ACA,TT,TA,GA,CA,AT,AC,T,G,C,A

use strict;

...
GATGATTACAZZ
asdfgh
gattaca

perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ;    # The  
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new   #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' #  web