Mahabharata 6.58.49
भीमसेनस्य मार्गेषु गतासून्पर्वतोपमान्अपश्याम हतान्नागान्निष्टनन्तस्तथापरे
bhīmasenasya mārgeṣu gatāsūnparvatopamānapaśyāma hatānnāgānniṣṭanantastathāpare
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book