One verse

Srimad Bhagavatam 10.89.47

10.89.47

सप्त द्वीपान् ससिन्धूंश्च सप्तसप्तगिरीनथ । लोकालोकं तथातीत्य विवेश सुमहत्तम: ॥ ४७ ॥

sapta dvīpān sa-sindhūṁś ca sapta sapta girīn atha lokālokaṁ tathātītya viveśa su-mahat tamaḥ

sapta
seven
dvīpān
islands
sa
with
sindhūn
their oceans
ca
and
sapta sapta
seven each
girīn
mountains
atha
then
loka-alokam
the mountain range separating light from darkness
tathā
also
atītya
crossing
viveśa
He entered
su-mahat
vast
tamaḥ
darkness

The Lord’s chariot passed over the seven islands of the middle universe, each with its ocean and its seven principal mountains. Then it crossed the Lokāloka boundary and entered the vast region of total darkness.