C133323133112111133133313331333133313231231211113313331333223313232213121   >>    C13332313311211113313331333133313331323123121111331333133322331323221312   <<    C133323133112111133133313331333133313231231211113313331333223313232213123   >>      C133323133112111133133313331333133313231231211113313331333223313232213122   >>