Natyashastra
चतुरस्रस्तु विच्छेदमेवं ज्ञेयं यथाक्षरम् । पूर्वोक्तेन विधानेन द्विचतुष्कलमुष्यते ॥ २४८॥
The four Kalās are to be separated according to the syllables. Following the procedure already described, they are to be arranged as a double set of four Kalās.
english translation
caturasrastu vicchedamevaM jJeyaM yathAkSaram । pUrvoktena vidhAnena dvicatuSkalamuSyate ॥ 248॥
hk transliteration by Sanscript