B33113313132313113313223313331311331333131113331333133313221211111333112111311   >>    B3311331313231311331322331333131133133313111333133313331322121111133311211131   <<    B33113313132313113313223313331311331333131113331333133313221211111333112111313   >>      B33113313132313113313223313331311331333131113331333133313221211111333112111312   >>