Devibhagavatapurana 7.35.18

Devībhāgavatapurāṇa 7.35.18

bhūyo bhūyaḥ kramāttasya bāhyamevaṃ samācaret |
mātrāvṛddhiḥ krameṇaiva samyagdvādaśa ṣoḍaśa ||