B33113313132313113313223313331311331333131113331333133313232213231121   >>    B3311331313231311331322331333131133133313111333133313331323221323112   <<    B33113313132313113313223313331311331333131113331333133313232213231123   >>      B33113313132313113313223313331311331333131113331333133313232213231122   >>