B33113313132313113313223313331311331333132332132313331333131133132313221322331   >>    B3311331313231311331322331333131133133313233213231333133313113313231322132233   <<    B33113313132313113313223313331311331333132332132313331333131133132313221322333   >>      B33113313132313113313223313331311331333132332132313331333131133132313221322332   >>