B3311331313231311331322331333131133133313231133133313331323312131   >>    B331133131323131133132233133313113313331323113313331333132331213   <<    B3311331313231311331322331333131133133313231133133313331323312133   >>      B3311331313231311331322331333131133133313231133133313331323312132   >>