B3311331313231311331322331333132313331322331323133313311211113313121333223331   >>    B331133131323131133132233133313231333132233132313331331121111331312133322333   <<    B3311331313231311331322331333132313331322331323133313311211113313121333223333   >>      B3311331313231311331322331333132313331322331323133313311211113313121333223332   >>