Mahabharata 9.50.27

ततोऽब्रवीत्सुराञ्शक्रो न मे शक्या महासुराःऋतेऽस्थिभिर्दधीचस्य निहन्तुं त्रिदशद्विषः

tato'bravītsurāñśakro na me śakyā mahāsurāḥṛte'sthibhirdadhīcasya nihantuṃ tridaśadviṣaḥ

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