Mahabharata 9.53.36

ततो मुहुर्मुहुः प्रीत्या प्रेक्षमाणः सरस्वतीम्हयैर्युक्तं रथं शुभ्रमातिष्ठत परंतपः

tato muhurmuhuḥ prītyā prekṣamāṇaḥ sarasvatīmhayairyuktaṃ rathaṃ śubhramātiṣṭhata paraṃtapaḥ

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