B33113313132313113313223313331311331333132311331333133313233112231   >>    B3311331313231311331322331333131133133313231133133313331323311223   <<    B33113313132313113313223313331311331333132311331333133313233112233   >>      B33113313132313113313223313331311331333132311331333133313233112232   >>