#!/usr/bin/perl -w
use strict;
use warnings;

while (<DATA>) {
   if ($. % 10 == 1) {
      print;
      for my $cnt (0 .. 3) {
         <DATA>;  # my $t=<DATA>;
         print;   # print $t;
      }
   }
}
__DATA__
Line 0001
Line 0002
Line 0003
Line 0004
Line 0005
Line 0006
Line 0007
Line 0008
Line 0009
Line 0010
Line 0011
Line 0012
Line 0013
Line 0014
Line 0015
Line 0016

##</code><code>##

Line 0001
Line 0002
Line 0003
Line 0004
Line 0005
Line 0011
Line 0012
Line 0013
Line 0014
Line 0015

##</code><code>##

Line 0001
Line 0001
Line 0001
Line 0001
Line 0001
Line 0011
Line 0011
Line 0011
Line 0011
Line 0011