Mahabharata 6.107.18

आर्जुनिर्नृपतिं विद्ध्वा शरैः संनतपर्वभिःपुनरेव चतुःषष्ट्या राजन्विव्याध तं नृपम्

ārjunirnṛpatiṃ viddhvā śaraiḥ saṃnataparvabhiḥpunareva catuḥṣaṣṭyā rājanvivyādha taṃ nṛpam

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