B3311331313231311331322331333131133131323221212111133132313113313232223321   >>    B331133131323131133132233133313113313132322121211113313231311331323222332   <<    B3311331313231311331322331333131133131323221212111133132313113313232223323   >>      B3311331313231311331322331333131133131323221212111133132313113313232223322   >>