use strict;
use Data::Dumper;

my @elements = map { /^\s*$/ ? () : [split /\s+/] } <DATA>;

print Dumper(\@elements);

__DATA__
1     1234    gg123456789  000-12345-1234-111

12    1234    gg123456789  000-12345-1234-111

123   1234    gg123456789  000-12345-1234-111