C3213322333133313113313221211113313331333133313121121123222332221   >>    C321332233313331311331322121111331333133313331312112112322233222   <<    C3213322333133313113313221211113313331333133313121121123222332223   >>      C3213322333133313113313221211113313331333133313121121123222332222   >>