Mahabharata 14.81.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

प्रायोपविष्टे नृपतौ मणिपूरेश्वरे तदापितृशोकसमाविष्टे सह मात्रा परंतप

prāyopaviṣṭe nṛpatau maṇipūreśvare tadāpitṛśokasamāviṣṭe saha mātrā paraṃtapa

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