B3311331313231311331322331333131133133313111333133313331322333131221   >>    B331133131323131133132233133313113313331311133313331333132233313122   <<    B3311331313231311331322331333131133133313111333133313331322333131223   >>      B3311331313231311331322331333131133133313111333133313331322333131222   >>