C3213322333133313113313221211113313331333133313121121123222211111   >>    C321332233313331311331322121111331333133313331312112112322221111   <<    C3213322333133313113313221211113313331333133313121121123222211113   >>      C3213322333133313113313221211113313331333133313121121123222211112   >>