B3311331313231311331322331333131133133313111333133313331323211112331   >>    B331133131323131133132233133313113313331311133313331333132321111233   <<    B3311331313231311331322331333131133133313111333133313331323211112333   >>      B3311331313231311331322331333131133133313111333133313331323211112332   >>