Mahabharata 8.20.18

शङ्खशब्दरवांश्चैव चक्रतुस्तौ रथोत्तमौअन्योन्यं च महाराज पीडयां चक्रतुर्भृशम्

śaṅkhaśabdaravāṃścaiva cakratustau rathottamauanyonyaṃ ca mahārāja pīḍayāṃ cakraturbhṛśam

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