Mahabharata 13.110.63

देवकन्यानिवासे च तस्मिन्वसति मानवःजाह्नवीवालुकाकीर्णे पूर्णं संवत्सरं नरः

devakanyānivāse ca tasminvasati mānavaḥjāhnavīvālukākīrṇe pūrṇaṃ saṃvatsaraṃ naraḥ

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