Mahabharata 1.2.158

षष्ठमेतन्महापर्व भारते परिकीर्तितम्अध्यायानां शतं प्रोक्तं सप्तदश तथापरे

ṣaṣṭhametanmahāparva bhārate parikīrtitamadhyāyānāṃ śataṃ proktaṃ saptadaśa tathāpare

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