 <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
    </div>
    <div class="container container-B">
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
      <div class="square"></div>
    