<div class="container">
<div class="row">
<div class="example col-md-6">Content</div>
<div class="example col-md-6">Content</div>
<div>
</div>
<div class="container">
<div class="row">
<div class="example col-md-4">Content</div>
<div class="example col-md-4">Content</div>
<div class="example col-md-4">Content</div>
<div>
</div>
<div class="container">
<div class="row">
<div class="example col-md-3">Content</div>
<div class="example col-md-3">Content</div>
<div class="example col-md-3">Content</div>
<div class="example col-md-3">Content</div>
<div>
</div>
<div class="container">
<div class="row">
<div class="example col-md-2">Content</div>
<div class="example col-md-2">Content</div>
<div class="example col-md-2">Content</div>
<div class="example col-md-2">Content</div>
<div class="example col-md-2">Content</div>
<div class="example col-md-2">Content</div>
<div>
</div>
<div class="container">
<div class="row">
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
<div class="example col-md-1">Content</div>
</div>
</div>