Natyashastra
पूर्वप्रमाणनिर्दिष्टा कर्तव्या मत्तवारणी । चतुःस्तम्भसमायुक्ता वेदिकायास्तु पार्श्वतः ॥ ९९॥
The stage should be constructed with a design according to the previously specified measurement, and it should include a decorated space on the sides, incorporating four pillars.
english translation
pUrvapramANanirdiSTA kartavyA mattavAraNI । catuHstambhasamAyuktA vedikAyAstu pArzvataH ॥ 99॥
hk transliteration by Sanscript