RRSBoṬ zu RRS, 10, 38.2, 10.0 hastadvayotsedhaṃ hastamitāyāmavistāraṃ catuṣkoṇaṃ samantāt mṛnmayabhittiveṣṭitaṃ ca cullyākāramekaṃ mārttikaṃ yantraṃ kṛtvā tasya ekabhittau vitastivistaraṃ dvāraṃ dvārapiṇḍikādhaḥ aṣṭādaśāṅgulamānaṃ dvārāntaraṃ ca kuryāt //