Mahabharata 5.99.11

त्रिवारः सप्तवारश्च वाल्मीकिर्द्वीपकस्तथादैत्यद्वीपः सरिद्द्वीपः सारसः पद्मकेसरः

trivāraḥ saptavāraśca vālmīkirdvīpakastathādaityadvīpaḥ sariddvīpaḥ sārasaḥ padmakesaraḥ

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