Mahabharata 7.109.6
सायकानां ततः पार्थस्त्रिषष्ट्या प्रत्यविध्यततोत्त्रैरिव महानागं कशाभिरिव वाजिनम्
sāyakānāṃ tataḥ pārthastriṣaṣṭyā pratyavidhyatatottrairiva mahānāgaṃ kaśābhiriva vājinam
Our plain-language meaning of this verse is waiting for scholar review.