<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="none" d="M0 0h24v24H0z"/><path d="M12 3v4H3V3h9zm4 14v4H3v-4h13zm6-7v4H3v-4h19z"/></svg>