C133323133112111133133313331333133313231322331311331323133313232213121   >>    C13332313311211113313331333133313331323132233131133132313331323221312   <<    C133323133112111133133313331333133313231322331311331323133313232213123   >>      C133323133112111133133313331333133313231322331311331323133313232213122   >>