Mahabharata 3.70.2
तथा प्रयाते तु रथे तदा भाङ्गस्वरिर्नृपःउत्तरीयमथापश्यद्भ्रष्टं परपुरंजयः
tathā prayāte tu rathe tadā bhāṅgasvarirnṛpaḥuttarīyamathāpaśyadbhraṣṭaṃ parapuraṃjayaḥ
Our plain-language meaning of this verse is waiting for scholar review.