#!/usr/bin/perl
use warnings;
use strict;
use feature qw{ say fc };

my $company_name_index = 0;
my $invoice_ID_index = 1;

say for sort {
    my ($company_name_a, $invoice_ID_a) = (split /\t/, $a)[$company_na
+me_index, $invoice_ID_index];
    my ($company_name_b, $invoice_ID_b) = (split /\t/, $b)[$company_na
+me_index, $invoice_ID_index];
    fc($company_name_a) cmp fc($company_name_b) or
    $invoice_ID_a <=> $invoice_ID_b
} map "$_\t" . rand, (
    'SEALEVEL SYSTEMS',
    'SEALEVEL SYSTEMS, INC.',
    'SEBASTIAN COMMUNICATIONS',
    'MASQUE SOUND',
    'MASSTECH, INC',
    'MASTERBILT',
    'SE INTERNATIONAL',
);
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($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,
[download]