my $HoA = {
            '1,2,flintstones' => [ "fred-1 foo-2", "barney-1 bar-2" ],
            '2,3,jetsons'   => [ "george-1 foo-2", "jane-1 bar-2"],
      };



##</code><code>##

$VAR1 = [
          {
            '1,2,flintstones' => undef,
            '2,3,jetsons' => undef
          },
          {
            '1,2,flintstones' => 'jane-1',
            '2,3,jetsons' => 'foo-2'
          },
          {
            '1,2,flintstones' => undef,
            '2,3,jetsons' => 'bar}'
          },
          {
            '1,2,flintstones' => 'barney-1',
            '2,3,jetsons' => 'foo-2'
          },
          {
            '1,2,flintstones' => undef,
            '2,3,jetsons' => 'bar-2}'
          }
        ];


##</code><code>##

my $AoH = [

              {
                '1,2,flinstones' => "fred-1 foo-2",
                '2,3,jetsons'    => "george-1 foo-2"
              },
              {
                '1,2,flinstones' => "fred-1 foo-2",
                '2,3,jetsons'    => "jane-1 bar-2"
              },
              {
                '1,2,flinstones' => "barney-1 bar-2",
                '2,3,jetsons'   => "george-1 foo-2"
              },
              {
                '1,2,flinstones' => "barney-1 bar-2",
                '2,3,jetsons'    => "jane-1 bar-2"
              },

];