Mahabharata 9.9.11

उभौ कृतास्त्रौ बलिनौ रथचर्याविशारदौपरस्परवधे यत्तौ छिद्रान्वेषणतत्परौ

ubhau kṛtāstrau balinau rathacaryāviśāradauparasparavadhe yattau chidrānveṣaṇatatparau

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