<?xml version="1.0"?>
<!--
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<layout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_layout.xsd">
    <update handle="1column"/>
    <referenceContainer name="columns" htmlClass="row">
        <referenceContainer name="main" htmlClass="col-xs-12 col-sm-9">
        </referenceContainer>
        <container name="div.sidebar.main" htmlTag="div" htmlClass="hidden-xs col-sm-3" after="main">
            <container name="sidebar.main" as="sidebar_main" label="Sidebar Main"/>
            <container name="div.sidebar.additional" htmlTag="div" htmlClass="sidebar sidebar-additional2">
                <container name="sidebar.additional" as="sidebar_additional" label="Sidebar Additional"/>
            </container>
        </container>
    </referenceContainer>
</layout>

Add 2 columns right xml
Add 2 columns right xml
