B331133131323131133132233133313233313221131211113313331333131211113313332322331   >>    B33113313132313113313223313331323331322113121111331333133313121111331333232233   <<    B331133131323131133132233133313233313221131211113313331333131211113313332322333   >>      B331133131323131133132233133313233313221131211113313331333131211113313332322332   >>