Mahabharata 7.97.15

युक्ताश्च पार्वतीयानां रथाः पाषाणयोधिनाम्शूराः पञ्चशता राजञ्शैनेयं समुपाद्रवन्

yuktāśca pārvatīyānāṃ rathāḥ pāṣāṇayodhināmśūrāḥ pañcaśatā rājañśaineyaṃ samupādravan

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