B33113313132313113313223313331311331333131113331333133313223221   >>    B3311331313231311331322331333131133133313111333133313331322322   <<    B33113313132313113313223313331311331333131113331333133313223223   >>      B33113313132313113313223313331311331333131113331333133313223222   >>