Mayamatam 25.87

25.87

parito maṇḍapaṃ tasya bāhye bhāgena kārayet
catuṣkarṇe dvibhāgena catuṣkūṭasamanvitam

one should make a pavilion gallery around it on the outside of one part,
with four square pavilion roofs of two parts at the four corners;