C133323133112111133133313331333133313231322331333133313222211233121   >>    C13332313311211113313331333133313331323132233133313331322221123312   <<    C133323133112111133133313331333133313231322331333133313222211233123   >>      C133323133112111133133313331333133313231322331333133313222211233122   >>