Agniveshyagrihyasutra 2.4.3.4

2.4.3.4

atha pradakṣiṇamāvṛtya pratyagadhiśritya jaghanena yūpaṃ sthaṇḍilaṃ kṛtvāgnimupasamādhāya saṃparistīryāgnimukhāt kṛtvā juhoti imaṃ me varuṇa tattvā yāmi iti dvābhyām \

Then, having turned clockwise, having approached towards the west, having made a sacrificial ground behind the sacrificial post, having set up the fire, having strewn [darbha grass] around, and having performed [the rites] starting from the fire-mouth, he offers with the two [verses]: "Hear this [call] of mine, O Varuṇa..." and "That [boon] of you I ask..."