$VAR1 = {
          'ARRAY(0x19333b0)' => [
                                  'baz',
                                  5
                                ],
          'ARRAY(0x350c8)' => [
                                'bar',
                                7
                              ]
        };

##</code><code>##

my @Index_Is_The_Weight=(
   [],  # Zero weight - no items
   ["foo"], # Only one item has weight ONE
   [], # No items in weight 2
   ["bar"], # Three
   ([]) x 5, # Five empty items
   ["quux"]
);