B331133131323131133132233133313231333132233132313331333112211231211111132121   >>    B33113313132313113313223313331323133313223313231333133311221123121111113212   <<    B331133131323131133132233133313231333132233132313331333112211231211111132123   >>      B331133131323131133132233133313231333132233132313331333112211231211111132122   >>