B3311331313231311331322331333131133133313231133133313113313133313232223311   >>    B331133131323131133132233133313113313331323113313331311331313331323222331   <<    B3311331313231311331322331333131133133313231133133313113313133313232223313   >>      B3311331313231311331322331333131133133313231133133313113313133313232223312   >>