C3213322333133313113313221211113313331333133313121121123322113211   >>    C321332233313331311331322121111331333133313331312112112332211321   <<    C3213322333133313113313221211113313331333133313121121123322113213   >>      C3213322333133313113313221211113313331333133313121121123322113212   >>