Manasara 35.29

35.29

ajñānena triśāleṣu yogaṃ cetsarvadoṣadam
sarveṣāṃ gaṇikādīnāṃ śālā svastikameva ca

if through ignorance there is a combination in three-hall [buildings], it causes all defects; / for all courtesans and others, the hall should be Svastika;