Mahabharata 7.92.2

तं द्रोणः सप्तसप्तत्या जघान निशितैः शरैःदुर्मर्षणो द्वादशभिर्दुःसहो दशभिः शरैः

taṃ droṇaḥ saptasaptatyā jaghāna niśitaiḥ śaraiḥdurmarṣaṇo dvādaśabhirduḥsaho daśabhiḥ śaraiḥ

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