One verse

Srimad Bhagavatam 10.56.33

10.56.33

अद‍ृष्ट्वा निर्गमं शौरे: प्रविष्टस्य बिलं जना: । प्रतीक्ष्य द्वादशाहानि दु:खिता: स्वपुरं ययु: ॥ ३३ ॥

adṛṣṭvā nirgamaṁ śaureḥ praviṣṭasya bilaṁ janāḥ pratīkṣya dvādaśāhāni duḥkhitāḥ sva-puraṁ yayuḥ

adṛṣṭvā
not seeing
nirgamam
the exit
śaureḥ
of Lord Kṛṣṇa
praviṣṭasya
who had gone inside
bilam
the cave
janaḥ
the people
pratīkṣya
after waiting
dvādaśa
twelve
ahāni
days
duḥkhitāḥ
unhappy
sva
their
puram
to the city
yayuḥ
went

After Lord Śauri had entered the cave, the people of Dvārakā who had accompanied Him had waited twelve days without seeing Him come out again. Finally they had given up and returned to their city in great sorrow.