C3213322333133313113313221211113313331333133313121121123313213221221   >>    C321332233313331311331322121111331333133313331312112112331321322122   <<    C3213322333133313113313221211113313331333133313121121123313213221223   >>      C3213322333133313113313221211113313331333133313121121123313213221222   >>