<svg xmlns="http://www.w3.org/2000/svg" style="enable-background:new 0 0 24 24" viewBox="0 0 24 24"><path d="M4.5 22.5h-3v-6h3v6zm6-10.5h-3v10.5h3V12zm6-10.5h-3v21h3v-21zm6 6h-3v15h3v-15z"/></svg>
