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{% for index, tool in enumerate(my_dict) %}

  <div class="RowGroup">

    <div class="Block1">
      <div class="card" style="width: 18rem;">
        <img src="..." class="card-img-top" alt="...">
        <div class="card-body">
          <h5 class="card-title"> {{ tool.ToolName }} </h5>
          <p class="card-text">Some quick.</p>
        </div>
      </div>
    </div>

    <div class="Block2">

      {% for item in my_list %}
        {% if item.0.idToolName_id == tool.idToolName %}
          {% for table in item %}
            <div class="card" style="width: 18rem;">
              <img src="..." class="card-img-top" alt="...">
              <div class="card-body">
                <h5 class="card-title">{{ table.TableName }}</h5>
                <p class="card-text"></p>
                <a href="{{ table.LinkToolPage }}" class="btn btn-primary">Open tool</a>
              </div>
            </div>
          {% endfor %}
        {% endif %}
      {% endfor %}

    </div>

  </div>

{% endfor %}