Mahabharata 12.310.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

कथं व्यासस्य धर्मात्मा शुको जज्ञे महातपाःसिद्धिं च परमां प्राप्तस्तन्मे ब्रूहि पितामह

kathaṃ vyāsasya dharmātmā śuko jajñe mahātapāḥsiddhiṃ ca paramāṃ prāptastanme brūhi pitāmaha

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