C3213322333133313113313221211113313331333133313121121123212131231   >>    C321332233313331311331322121111331333133313331312112112321213123   <<    C3213322333133313113313221211113313331333133313121121123212131233   >>      C3213322333133313113313221211113313331333133313121121123212131232   >>