Mahabharata 12.315.10

अवतीर्णेषु शिष्येषु व्यासः पुत्रसहायवान्तूष्णीं ध्यानपरो धीमानेकान्ते समुपाविशत्

avatīrṇeṣu śiṣyeṣu vyāsaḥ putrasahāyavāntūṣṇīṃ dhyānaparo dhīmānekānte samupāviśat

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