Mahabharata 8.17.55

इत्युक्त्वा प्राहरत्तूर्णं पाण्डुपुत्राय सूतजःविव्याध चैनं समरे त्रिसप्तत्या शिलीमुखैः

ityuktvā prāharattūrṇaṃ pāṇḍuputrāya sūtajaḥvivyādha cainaṃ samare trisaptatyā śilīmukhaiḥ

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