Mahabharata 15.21.2

गान्धारीसहितो धीमानभिनन्द्य यथाविधिकार्त्तिक्यां कारयित्वेष्टिं ब्राह्मणैर्वेदपारगैः

gāndhārīsahito dhīmānabhinandya yathāvidhikārttikyāṃ kārayitveṣṭiṃ brāhmaṇairvedapāragaiḥ

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