Mahabharata 12.290.31

वैतरण्यां च यद्दुःखं पतितानां यमक्षयेयोनीषु च विचित्रासु संसारानशुभांस्तथा

vaitaraṇyāṃ ca yadduḥkhaṃ patitānāṃ yamakṣayeyonīṣu ca vicitrāsu saṃsārānaśubhāṃstathā

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