B3311331313231311331322331333131133133313111333133313331323213123231   >>    B331133131323131133132233133313113313331311133313331333132321312323   <<    B3311331313231311331322331333131133133313111333133313331323213123233   >>      B3311331313231311331322331333131133133313111333133313331323213123232   >>