Garuda Purana · Chapter 1.212
iti śrīgāruḍe mahāpurāṇe pūrvakhaṇḍe prathamāṃśākhye ācārakāṇḍe viṣamavṛttalakṣaṇādinirūpaṇaṃ nāmaikādaśottaradviśaśatatamo 'dhyāyaḥ
śrīgaruḍamahāpurāṇam- 212
sūta uvāca /
prastāra ādyago 'tho laḥ paratulyo 'tha pūrvagaḥ /
naṣṭamadhye sameṃ'ke laḥ same 'rdhe viṣame guruḥ
pratilomaguṇaṃ lādyaṃ dviruddiṣṭaka ekanut
saṃkhyā dvirardhe rūpe tu śūnyaṃ śūnye dvirīritam /
tāvadardhe tadguṇitaṃ dvirdvyūnantu tadantataḥ
pare pūrṇaṃ pare pūrṇaṃ meruḥ prastārato bhavet
lagasaṃkhyā vṛttasaṃkhyā cādyāṅgulamathordhvataḥ /
saṃkhyaiva dviguṇaikonācchandaḥ sāro 'yamīritaḥ
Original text: Garuḍapurāṇa · Edition: Bombay : Venkatesvara Steam Press (or a reprint thereof) · Data entry members of the Sansknet Project · GRETIL (Göttingen) · CC BY-NC-SA 4.0