C3123121111331311213331333131133133313331333133313311211113313223313211   >>    C312312111133131121333133313113313331333133313331331121111331322331321   <<    C3123121111331311213331333131133133313331333133313311211113313223313213   >>      C3123121111331311213331333131133133313331333133313311211113313223313212   >>