Manavashrautasutra 6.2.2

They begin the topmost layer with an asapatnā [brick]. With “O Agni, repel our born rivals,” [he places one] in the east; with “By might repel our born rivals,” in the west. With “The forty-fourfold stoma / splendor, wealth,” he places [one] in the south; with “The sixteenfold stoma / vigor, wealth,” in the north; with “You are the loose soil of Agni,” [he places] the purīṣavatī [brick] to the west of the naturally perforated stone.

With [the formulas beginning with] “One is the meter,” [he places] forty virāj [bricks], ten in each of the junctions.

With [the formulas beginning with] “By a ray quicken dominion for dwelling,” [he places] thirty-three stomabhāgā [bricks] in the quarters: starting from the eastern half, clockwise, seven in each, [and] five in the middle.

With [the formulas] beginning with “You are the queen; the eastern quarter,” [he places] five nākasad [bricks] in the regions.

With [the formulas beginning with] “This one in front, the golden-haired,” [he places] five pañcacūḍā [bricks] above the nākasad [bricks], the last one facing east in the west.

With [the formulas beginning with] “I place you with the eastern quarter,” he places the kḷpti [bricks]: on the head, on the wings, on the tail, and the fifth in the middle.

Distributing them, he places a retaḥsic [brick] right here.

With “May Parameṣṭhin place you,” [he places] the viśvajyotis [brick].

Having placed two seasonal bricks, [he places] five vṛṣṭisani [bricks] in the regions with [the formulas] beginning with “The forward wind.”

Having placed two saṃyānī [bricks], he places the speech [bricks]—seven in the eastern half—with “Ambā and Bulā.”

With [the formulas] beginning with “To the flood, you,” [he places] the ādityeṣṭakā bricks, two in each junction and [two] in the middle.

With “Your name is Adhidyo,” [he places] another maṇḍalā [brick].

To the north-east of the naturally perforated stone, he places eight bricks with different sacrificial formulas with “This is that Agni,” as in the case of the gārhapatya.

With the eight [formulas] belonging to Mavat, beginning with “By which austerity the seers sat at the sacrificial session,” [he places] the previous punaściti [bricks].

With [the formulas beginning with] “May the years, O Agni, may the seasons make you grow,” [he places] ten [bricks], two in each region.

With [the formulas beginning with] “Upright are his kindling sticks,” [he places] twelve āprī [bricks], three in each junction.

With [the formulas beginning with] “Join the out-breath with the in-breath,” he places nine saṃtati [bricks] in the east, facing west.

With [the formulas] beginning with “I place you with the ṛc meter,” [he places] two in each junction.

With [the formulas beginning with] “The messenger for you, who knows all,” [he places] five in the regions.

With [the formulas beginning with] “Indra with Dadhīc’s bones,” [he places] ten in the eastern half.

He places chandaściti bricks, three in each junction between [the others]: with three gāyatrī verses, “This fire of a thousand”; with triṣṭubh verses, “Agni has been awakened”; with jagatī verses, “Guardian of the people”; with anuṣṭubh verses, “Kindle, kindle”; with paṅkti verses, “We would kindle you, O Agni”; with bṛhatī verses, “Thus to Agni, you”; with uṣṇih verses, “O Agni, of prize, rich in cattle”—he makes two [into] three.

“Auspicious to us is Agni when invoked; / auspicious is the gift, O fortunate one, auspicious the sacrifice;

and auspicious our praises.

And auspicious our praises; / make your mind auspicious in the slaying of Vṛtra,

whereby you prevail in battles.

Whereby you prevail in battles, / bend low the steadfast [bows] of the many who defy us;

may we win through your assistances.”

With kakubh verses, [the verses beginning with] these [words; with] “Kindled, O Agni,” [and] “These, O Agni”,

“The men with thoughts have generated / Agni from the two fire-sticks with hands moving, praised,

far-seeing, lord of the house, burning.”

With virāj verses, [such as this;] with padapaṅkti verses, with “Agni today”; with chandas verses, with “I consider Agni the hotṛ priest”; with dvipadā verses, with “O Agni, you are nearest to us,” “To you, brightest, shining,” [and] “Then indeed, O Agni,” [he places them] in the northern half.