Natyashastra
रङ्गपीठावलोक्यं तु कुर्यादासनजं विधिम् । षडन्यानन्तरे चैव पुनः स्तम्भान्यथादिशम् ॥ ९२॥
The seating arrangement should be done for those who will view the stage, placing six other seats next to the first, followed by the pillars as previously directed.
english translation
raGgapIThAvalokyaM tu kuryAdAsanajaM vidhim । SaDanyAnantare caiva punaH stambhAnyathAdizam ॥ 92॥
hk transliteration by Sanscript