Mahabharata 3.297.68

यस्य नागसहस्रेण दशसंख्येन वै बलम्तुल्यं तं भीममुत्सृज्य नकुलं जीवमिच्छसि

yasya nāgasahasreṇa daśasaṃkhyena vai balamtulyaṃ taṃ bhīmamutsṛjya nakulaṃ jīvamicchasi

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