sentences:  He did this by facing each of the four directions for a period of time, and then turning to face the intermediate directions as well as above and below.This period also sees the elucidation of the practice of contemplation (anuprekṣā) by Kundakunda's "Vārassa-aṇuvekkhā" or “Twelve Contemplations” (c. 1st century BCE to 1st century CE).These twelve forms of reflection ("bhāvanā") aid in the stopping of the influx of karmas that extend transmigration.