B3311331313231311331322331333132313331322121133133313331333133112111113223321   >>    B331133131323131133132233133313231333132212113313331333133313311211111322332   <<    B3311331313231311331322331333132313331322121133133313331333133112111113223323   >>      B3311331313231311331322331333132313331322121133133313331333133112111113223322   >>