$ perl timehash2.pl 
$VAR1 = {
          '1010' => [
                      'bar',
                      'baz',
                      [
                        'hello world',
                        'hallo welt'
                      ]
                    ],
          '1000' => [
                      'hello',
                      'world',
                      'foo'
                    ]
        };