Mahabharata 3.83.6

ततो वैतरणीं गत्वा नदीं पापप्रमोचनीम्विरजं तीर्थमासाद्य विराजति यथा शशी

tato vaitaraṇīṃ gatvā nadīṃ pāpapramocanīmvirajaṃ tīrthamāsādya virājati yathā śaśī

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