ललितोपाख्याने जप-न्यास-योगप्रकरणम्
Lalitopākhyāna: Procedure of Japa, Nyāsa, and Yogic Installation
प्रागाधायैषु शषसान्मूलहृन्मूर्द्धसु न्यसेत् / कक्षकट्यंसवामांसकटिहृत्सु च विन्यसेत्
prāgādhāyaiṣu śaṣasānmūlahṛnmūrddhasu nyaset / kakṣakaṭyaṃsavāmāṃsakaṭihṛtsu ca vinyaset
Having first set them, place these «śa ṣa sa» at the base, the heart, and the crown of the head; and arrange them also at the armpit, the waist, the shoulder, the flesh of the left side, the hip, and the heart.