C3123121111331311213331333131133133313331333133313331333133313331323121211   >>    C312312111133131121333133313113313331333133313331333133313331333132312121   <<    C3123121111331311213331333131133133313331333133313331333133313331323121213   >>      C3123121111331311213331333131133133313331333133313331333133313331323121212   >>