Mahabharata 8.4.10

विन्दानुविन्दावावन्त्यौ राजपुत्रौ महाबलौकृत्वा नसुकरं कर्म गतौ वैवस्वतक्षयम्

vindānuvindāvāvantyau rājaputrau mahābalaukṛtvā nasukaraṃ karma gatau vaivasvatakṣayam

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