Mahabharata 8.8.11
रथाश्वपत्तयो नागै रथैर्नागाश्च पत्तयःरथपत्तिद्विपाश्चाश्वैर्नृभिश्चाश्वरथद्विपाः
rathāśvapattayo nāgai rathairnāgāśca pattayaḥrathapattidvipāścāśvairnṛbhiścāśvarathadvipāḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book