Shivapurana 7.2.36.23

Śivapurāṇa (complete text) 7.2.36.23

te cāṣṭamūrttayaḥ kalpyāḥ pūrvādiparitaḥ sthitāḥ |
catvāraścātha vā dikṣu svadhyetāraḥ sajāpakāḥ ||