B3311331313231311331322331333131133133313231133133313331323212231   >>    B331133131323131133132233133313113313331323113313331333132321223   <<    B3311331313231311331322331333131133133313231133133313331323212233   >>      B3311331313231311331322331333131133133313231133133313331323212232   >>