C133323133112111133133313331333133313223313331333133313123233311   >>    C13332313311211113313331333133313331322331333133313331312323331   <<    C133323133112111133133313331333133313223313331333133313123233313   >>      C133323133112111133133313331333133313223313331333133313123233312   >>