B331133131323131133132233133313232222132313233313232211233131211   >>    B33113313132313113313223313331323222213231323331323221123313121   <<    B331133131323131133132233133313232222132313233313232211233131213   >>      B331133131323131133132233133313232222132313233313232211233131212   >>