B331133131323131133132233133313113313231123313231333133313232231221   >>    B33113313132313113313223313331311331323112331323133313331323223122   <<    B331133131323131133132233133313113313231123313231333133313232231223   >>      B331133131323131133132233133313113313231123313231333133313232231222   >>