<div class="container">
  <div class="l">LEFT</div>
  <div class="c">
  <h3>CENTER</h3>
        <section class="layout"><h3>Layout</h3>
          <div class="layout_left">Layout LEFT</div>
          <div class="layout_right">Layout RIGHT</div>
        </section>
  </div>
  <div class="r">RIGHT</div>
</div>