B33113313132313113313223313331311331333131113331333133313221211111333112111211   >>    B3311331313231311331322331333131133133313111333133313331322121111133311211121   <<    B33113313132313113313223313331311331333131113331333133313221211111333112111213   >>      B33113313132313113313223313331311331333131113331333133313221211111333112111212   >>