C3123121111113313121111331333133313223313331333133313331311332231111   >>    C312312111111331312111133133313331322331333133313331333131133223111   <<    C3123121111113313121111331333133313223313331333133313331311332231113   >>      C3123121111113313121111331333133313223313331333133313331311332231112   >>