Anandakanda 1.7.76

1.7.76

tathā caturdaśapalair aiśvaraṃ labhate padam /
palaiḥ pañcadaśair eti sadāśivapadaṃ param //

and by fourteen palas, one attains the state of Īśvara;
by fifteen palas, one reaches the supreme state of Sadāśiva;