<p data-height="810" data-theme-id="17721" data-slug-hash="LpEavp" data-default-tab="result" data-user="christianacca" class='codepen'>See the Pen <a href='http://codepen.io/christianacca/pen/LpEavp/'>Enable grouping programmatically </a> by christianacca (<a href='http://codepen.io/christianacca'>@christianacca</a>) on <a href='http://codepen.io'>CodePen</a>.</p>
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