views-view-unformatted--split_list.html.twig

{#
/**
 * @file
 * Default theme implementation to display a view of unformatted rows.
 *
 * Available variables:
 * - title: The title of this group of rows. May be empty.
 * - rows: A list of the view's row items.
 *   - attributes: The row's HTML attributes.
 *   - content: The row's content.
 * - view: The view object.
 * - default_row_class: A flag indicating whether default classes should be
 *   used on rows.
 *
 * @see template_preprocess_views_view_unformatted()
 *
 * @ingroup themeable
 */
#}
{% if title %}
  <h3>{{ title }}</h3>
{% endif %}

{% set even_rows = "" %}
{% set odd_rows = "" %}
{% for row in rows %}
  {%
  set row_classes = [
  default_row_class ? 'views-row',
  ]
  %}
  {% set row %}
    <div{{ row.attributes.addClass(row_classes) }}>
      {{ row.content }}
    </div>
  {% endset %}
  {% if loop.index is divisible by (2) %}
    {% set even_rows = even_rows ~ row %}
  {% else %}
    {% set odd_rows = odd_rows ~ row %}
  {% endif %}
{% endfor %}
<div class="this-is-the-main-div">
  <div class="odd-rows">
    {{ odd_rows|raw }}
  </div>
  <div class="even-rows">
    {{ even_rows|raw }}
  </div>
</div>