C3213322333133313113313221211113313331333133313121121123231113332323211   >>    C321332233313331311331322121111331333133313331312112112323111333232321   <<    C3213322333133313113313221211113313331333133313121121123231113332323213   >>      C3213322333133313113313221211113313331333133313121121123231113332323212   >>