B331133131323131133132233133313233313233211331333133313331322311221   >>    B33113313132313113313223313331323331323321133133313331333132231122   <<    B331133131323131133132233133313233313233211331333133313331322311223   >>      B331133131323131133132233133313233313233211331333133313331322311222   >>