#!/usr/bin/env perl

use strict;
use warnings;

my @list = (
    ['blah', 'asdf', 'foo', 'bar'],
    ['two'],
    ['zzz', 'def', 'ghi'],
    ['one'],
    ['mmm', 'def', 'ghi'],
    ['qqq', 'xyz', 'aaa']
);

@list = sort { @$a <=> @$b || do {
    my $cmp;
    ($cmp = $a->[-$_] cmp $b->[-$_]) ? last : next for 1 .. @$a;
    $cmp;
} } @list;

use Data::Dump;
dd \@list;