Brihat Parashara Hora Shastra · Chapter 67

aṭha thrikoṇaśoḍhanāḍhyāyaḥ

evaṃ salagnakhetānāṃ viḍhāyāṣtakavargakam /
thrikoṇaśoḍhanaṃ kuryādhādhau sarvaṃṣu rāśiṣu

thrikoṇaṃ kaṭhyathe vipra meṣasiṃhaḍhanūṃṣyaṭha /
vtऱṣakanyāmtऱgasyāśca yugmathaulighatāsthaṭhā

karkavtऱścikamīnāśca thrikoṇāḥ syuḥ parasparam /
aḍho'ḍhaḥ sarvarāśīnāmaṣtavargaphalaṃ nyaseth

thrikoṇeṣu ca yannyūnaṃ thaththulyaṃ thriṣu śoḍhayeth /
ekasmin bhavane śūnyaṃ thath thrikoṇaṃ na śoḍhayeth

samathve sarvageheṣu sarvaṃ saṃśoḍhayedh buḍhaḥ /
paścāth vipaścithā kāryamekāḍhipathiśoḍhanam