Mayamatam 30.117

30.117

tridvyekālīndrayuktaṃ vā saptabhaumādiṣutriṣu
śeṣaṃ kuḍye prayoktavyaṃ tritrikairapi kārayet

Or it may have three, two, or one veranda in the three [types] starting with the seven-storeyed; / the rest should be applied to the wall, or one may make them with sets of three each.