B33113313132313113313223313331323132313331333133112111133133313221333131222121   >>    B3311331313231311331322331333132313231333133313311211113313331322133313122212   <<    B33113313132313113313223313331323132313331333133112111133133313221333131222123   >>      B33113313132313113313223313331323132313331333133112111133133313221333131222122   >>