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use CGI qw(:standard);

...
    my $control = $_->{type}->(@{$_->{args}});
    push @rows,td({-align=>left,-valign=>TOP},$control);
}

---
print map { my ($m)=1<<hex($_)&11?' ':'';
$m.=substr('AHJPacehklnorstu',hex($_),1) }
split //,'2fde0abe76c36c914586c';