Mahabharata 13.78.1

वसिष्ठ उवाच · vasiṣṭha uvāca

शतं वर्षसहस्राणां तपस्तप्तं सुदुश्चरम्गोभिः पूर्वविसृष्टाभिर्गच्छेम श्रेष्ठतामिति

śataṃ varṣasahasrāṇāṃ tapastaptaṃ suduścaramgobhiḥ pūrvavisṛṣṭābhirgacchema śreṣṭhatāmiti

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