B3311331313231311331322331333131133132313131133133313232233132212323131   >>    B331133131323131133132233133313113313231313113313331323223313221232313   <<    B3311331313231311331322331333131133132313131133133313232233132212323133   >>      B3311331313231311331322331333131133132313131133133313232233132212323132   >>