Mahabharata 7.70.20

तथा तु यतमानस्य द्रोणस्य युधि भारतधृष्टद्युम्नं समासाद्य त्रिधा सैन्यमभिद्यत

tathā tu yatamānasya droṇasya yudhi bhāratadhṛṣṭadyumnaṃ samāsādya tridhā sainyamabhidyata

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