B331133131323131133132233133313233313231311233133313233313232233132313221221   >>    B33113313132313113313223313331323331323131123313331323331323223313231322122   <<    B331133131323131133132233133313233313231311233133313233313232233132313221223   >>      B331133131323131133132233133313233313231311233133313233313232233132313221222   >>