Mahabharata 1.205.30

वैशंपायन उवाच · vaiśaṃpāyana uvāca

सोऽभ्यनुज्ञाप्य राजानं ब्रह्मचर्याय दीक्षितःवने द्वादश वर्षाणि वासायोपजगाम ह

so'bhyanujñāpya rājānaṃ brahmacaryāya dīkṣitaḥvane dvādaśa varṣāṇi vāsāyopajagāma ha

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