C3213322333133313113313221211113313331333133313121121123332211131   >>    C321332233313331311331322121111331333133313331312112112333221113   <<    C3213322333133313113313221211113313331333133313121121123332211133   >>      C3213322333133313113313221211113313331333133313121121123332211132   >>