Monks good day! I have a coding problem... and I need your advice.

I am using HTML::Template module. In my CGI script, I am calling a subloop inside the main loop. I wanted an output that's something like this:

Topic 1
- Item A
- Item B
- Item C
Topic 2
- Item X
- Item Y
- Item Z
Topic 3
- Item a
- Item b
- Item c
[download]

but instead, my code resulted to:

Topic 1
- Item a
- Item b
- Item c
Topic 2
- Item a
- Item b
- Item c
Topic 3
- Item a
- Item b
- Item c
[download]

Here's a part of my code:

$y = 0; @loop = ();
  while($y < $x) {
    my %items;

    $items{_TOPIC} = $topic[$y];

    $sth = $dbh->prepare("SELECT item1, item2, item3 FROM table WHERE 
+topic='$topic[$y]' ORDER BY id ASC");
    $sth->execute();

    @subloop = ();
    while(@ary = $sth->fetchrow_array()) {
      my %subitems;

      $subitems{_first_item} = $ary[0];
      $subitems{_second_item} = $ary[1];
      $subitems{_third_item} = $ary[2];

      push(@subloop, \%subitems);
    }

    $items{_ITEMS} = \@subloop;
    push(@loop, \%items);

    $y++;
  }
  $html->param(_TOPICS => \@loop);
  $html->output;
[download]

Can you help me point out the error?

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