Position śrī bīja, then position māyā bīja, then kāma bīja, then vāgbhava bīja and finally parā bīja. Thus the very first line of the mantra is fashioned. Celebrated yearly on the total moon working day of your Magha month, it coincides With all the auspicious vrat of Magha Purnima. https://www.youtube.com/watch?v=OnBTYRqg61k&t=6s