C111123313121111121111331333132313331323132322331333131133131232322311   >>    C11112331312111112111133133313231333132313232233133313113313123232231   <<    C111123313121111121111331333132313331323132322331333131133131232322313   >>      C111123313121111121111331333132313331323132322331333131133131232322312   >>