#!/usr/bin/perl -wl
use strict;
my @numberarray    = qw(000000 000002 001110 010201 010010 001000 000120 010030); 

for (@numberarray){ 
    next if $_    == 0;
    my @array      = split //; 
    my $incr       = 0; 
    
    while ($array[0] eq 0) {
       shift @array;
       $incr++;
    } 
    unshift (@array,"\x20" x $incr); 
    print @array;
}