Mahabharata 13.50.8

गङ्गा च यमुना चैव सरितश्चानुगास्तयोःप्रदक्षिणमृषिं चक्रुर्न चैनं पर्यपीडयन्

gaṅgā ca yamunā caiva saritaścānugāstayoḥpradakṣiṇamṛṣiṃ cakrurna cainaṃ paryapīḍayan

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