B331133131323131133132233133313231333132233132313331333131232322331323311221   >>    B33113313132313113313223313331323133313223313231333133313123232233132331122   <<    B331133131323131133132233133313231333132233132313331333131232322331323311223   >>      B331133131323131133132233133313231333132233132313331333131232322331323311222   >>