Mahabharata 3.185.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

ततः स पाण्डवो भूयो मार्कण्डेयमुवाच हकथयस्वेह चरितं मनोर्वैवस्वतस्य मे

tataḥ sa pāṇḍavo bhūyo mārkaṇḍeyamuvāca hakathayasveha caritaṃ manorvaivasvatasya me

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