Mahabharata 1.63.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

स कदाचिन्महाबाहुः प्रभूतबलवाहनःवनं जगाम गहनं हयनागशतैर्वृतः

sa kadācinmahābāhuḥ prabhūtabalavāhanaḥvanaṃ jagāma gahanaṃ hayanāgaśatairvṛtaḥ

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