RRSBoṬ zu RRS, 8, 41.2, 3.0 tīkṣṇalauhanīlāñjanasaṃyuktaṃ yat sīsakaṃ bahuvāraṃ dṛḍham ādhmātaṃ sat sukomalaṃ kṛṣṇavarṇaṃ drutadrāvaṃ ca syāt tat sīsakaṃ varanāgaṃ bodhyam //