B33113313132313113313223313331311331333132311331333131133132332231   >>    B3311331313231311331322331333131133133313231133133313113313233223   <<    B33113313132313113313223313331311331333132311331333131133132332233   >>      B33113313132313113313223313331311331333132311331333131133132332232   >>