B331133131323131133132233133313232233132211233132313232233133313231322113121   >>    B33113313132313113313223313331323223313221123313231323223313331323132211312   <<    B331133131323131133132233133313232233132211233132313232233133313231322113123   >>      B331133131323131133132233133313232233132211233132313232233133313231322113122   >>