I am practising in Bootstrap 4 and I do not know what rule I have violated for the responsive design. I am looking for a best practice to carry out the image. My idea is to learn.
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-beta.2/css/bootstrap.css" rel="stylesheet" />
<body>
  <div class="container-fluid h-100" style="border: solid red 1px">
    <div class="row h-100 d-flex   justify-content-center align-items-center contenedor_centrado">
      <div class="col-6">
        <div class="row">
          <div class="col-12 border">
            1
          </div>
          <div class="col-12 border">
            2
          </div>
        </div>
      </div>
      <div class="col-6 border">
        3
      </div>
      <div class="row">
        <div class="col-6 border">4</div>
        <div class="col-6 border">5</div>
      </div>
    </div>
  </div>
</body>
 
     
     
     
    