Mahabharata 13.106.31

एकादशाहैरयजं सदक्षिणै;र्द्विर्द्वादशाहैरश्वमेधैश्च देवआर्कायणैः षोडशभिश्च ब्रह्मं;स्तेषां फलेनेह न चागतोऽस्मि

ekādaśāhairayajaṃ sadakṣiṇai;rdvirdvādaśāhairaśvamedhaiśca devaārkāyaṇaiḥ ṣoḍaśabhiśca brahmaṃ;steṣāṃ phaleneha na cāgato'smi

Our plain-language meaning of this verse is waiting for scholar review.