B33113313132313113313223313331311331333131113331333133313221231221   >>    B3311331313231311331322331333131133133313111333133313331322123122   <<    B33113313132313113313223313331311331333131113331333133313221231223   >>      B33113313132313113313223313331311331333131113331333133313221231222   >>