Mahabharata 8.63.19

उभौ विश्रुतकर्माणौ पौरुषेण बलेन चउभौ च सदृशौ युद्धे शम्बरामरराजयोः

ubhau viśrutakarmāṇau pauruṣeṇa balena caubhau ca sadṛśau yuddhe śambarāmararājayoḥ

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