B331133131323131133132233133313113313233313233313331322331323133313232123221   >>    B33113313132313113313223313331311331323331323331333132233132313331323212322   <<    B331133131323131133132233133313113313233313233313331322331323133313232123223   >>      B331133131323131133132233133313113313233313233313331322331323133313232123222   >>