Mahabharata 9.22.9

ततो दुर्योधनो राजा रथान्सप्तशतान्रणेप्रेषयद्यत्र राजासौ धर्मपुत्रो युधिष्ठिरः

tato duryodhano rājā rathānsaptaśatānraṇepreṣayadyatra rājāsau dharmaputro yudhiṣṭhiraḥ

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