SB 8.24.40

āstīrya darbhān prāk-kūlān
 rājarṣiḥ prāg-udaṅ-mukhaḥ
niṣasāda hareḥ pādau
 cintayan matsya-rūpiṇaḥ
Word for word: 
āstīrya — spreading; darbhān — kuśa grass; prāk-kūlān — the upper portion facing east; rāja-ṛṣiḥ — Satyavrata, the saintly King; prāk-udak-mukhaḥ — looking toward the northeast (īśāna); niṣasāda — sat down; hareḥ — of the Supreme Personality of Godhead; pādau — upon the lotus feet; cintayan — meditating; matsya-rūpiṇaḥ — who had assumed the form of a fish.
Translation: 
After spreading kuśa with its tips pointing east, the saintly King, himself facing the northeast, sat down on the grass and began to meditate upon the Supreme Personality of Godhead, Viṣṇu, who had assumed the form of a fish.