i want show div 3 and last div 3 at same time when i click button 3

button for click to show div element

<button  class="single" target="1">1</button>
<button  class="single" target="2">2</button>
<button  class="single" target="3">3</button>

element i want to show

<section>
    <div id="div1" class="target">1</div>
    <div id="div3" class="target">3</div>
    <div id="div2" class="target">2</div>
    <div id="div3" class="target">3</div> 
</section>

jquery code

jQuery('.single').click(function(){ 
jQuery('.target').hide();
jQuery('#div'+$(this).attr('target')).show();