त्र्यश्रे द्वादश पातास्तु भवन्ति करपादयोः । एतत्प्रमाणं विज्ञेयमुभयोः पूर्वरङ्गयोः ॥ १४५॥
There are twelve falls in the triangular formation involving the hands and feet. This measure should be understood as applicable to both the preliminary acts.
english translation