B3311331313231311331322331333132313133313113313232233131333131221   >>    B331133131323131133132233133313231313331311331323223313133313122   <<    B3311331313231311331322331333132313133313113313232233131333131223   >>      B3311331313231311331322331333132313133313113313232233131333131222   >>