#!/usr/bin/perl

use strict;
use warnings;

my @values = (
    ['T',20,'H'],
    ['Hallo',3,'Welt'],
    ['Test',1035,'Eintrag'],
);

my $length = 30;

for my $ref ( @values ){
    print_formatted( $length, @$ref );
}

sub print_formatted{
    my ($max,$t1,$zahl,$t2) = @_;
    $zahl = sprintf '%06d', $zahl;
    
    my ($rand) = int( ($max - length $zahl) / 2 );
    my $left   = $rand - length $t1;
    
    my $format = "%s%*s%s%*s%s\n";
    print sprintf $format, $t1,$left,' ',$zahl,$left,' ',$t2;
}