C3213322333133313113313221211113313331333133313121121123222323211   >>    C321332233313331311331322121111331333133313331312112112322232321   <<    C3213322333133313113313221211113313331333133313121121123222323213   >>      C3213322333133313113313221211113313331333133313121121123222323212   >>