Natyashastra
कटिच्छिन्नं तथा चैव पार्श्वच्छेदे विधीयते । सूचीवामपदं दध्याद्विद्युद्भ्रान्तं च दक्षिणम् ॥ २२७॥
The waist should be cut off, and similarly, the cutting of the sides is prescribed. The left foot should be bent like a needle, and the right foot should be bent like lightning.
english translation
kaTicchinnaM tathA caiva pArzvacchede vidhIyate । sUcIvAmapadaM dadhyAdvidyudbhrAntaM ca dakSiNam ॥ 227॥
hk transliteration by Sanscript