Natyashastra
पश्चिमार्धसमा सा तु तथैवान्यपदा स्मृताः । शिरश्चैककलेनापि कर्तव्यं पञ्चपाणिना ॥ २४२॥
It is equal to the western half, and the remaining words are arranged likewise. Its Śīrṣaka is to be made with one Kalā using the Pañcapāṇi.
english translation
pazcimArdhasamA sA tu tathaivAnyapadA smRtAH । zirazcaikakalenApi kartavyaM paJcapANinA ॥ 242॥
hk transliteration by Sanscript