knoppix@Microknoppix:~$ perl -Mstrict -MData::Dumper -wE '
> my %h = (
>    k1 => { 1 => q{j}, 2 => q{b} },
>    k2 => { 1 => q{p}, 2 => q{b} },
>    );
> print Data::Dumper->Dumpxs( [ \ %h ], [ qw{ *h } ] );'
%h = (
       'k2' => {
                 '1' => 'p',
                 '2' => 'b'
               },
       'k1' => {
                 '1' => 'j',
                 '2' => 'b'
               }
     );
knoppix@Microknoppix:~$