B331133131323131133132233133313232233132323133313331333131323131121221   >>    B33113313132313113313223313331323223313232313331333133313132313112122   <<    B331133131323131133132233133313232233132323133313331333131323131121223   >>      B331133131323131133132233133313232233132323133313331333131323131121222   >>