The Shulbasutras of Baudhayana, Apastamba, Katyayana and Manava: With Text, English Translation and Commentary c7.78

c7.78

6.2 (Bricks marked with) lines turned to the right are placed on the southern side, those with lines turned to the left on the northern side, those with straight lines on the east and the west side, and those with three lines in the middle (of the fire-altar). The placing (of the bricks) in the middle (along the east-west line of the fire-altar) is to be understood in the same way as the backbone of the animal which does not lie more on one side than the other (but passes strictly along the middle of its body).