Verse 13

यथा ब्रह्मंस्तथा सर्वं विस्तरेण वदाशु मे ।ब्राह्मे श्रृणु महाबाहो शरीरग्रहणे क्रमम्

In plain words

Rāma said: As it stands, sage, tell me all of this in full detail, at once. Vasiṣṭha said: Listen, O mighty-armed one, to the sequence of the taking of a body, as it happened with Brahmā.