Mahabharata 5.56.23

उलूकं चापि कैतव्यं ये च सारस्वता गणाःनकुलः कल्पयामास भागं माद्रवतीसुतः

ulūkaṃ cāpi kaitavyaṃ ye ca sārasvatā gaṇāḥnakulaḥ kalpayāmāsa bhāgaṃ mādravatīsutaḥ

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