長阿含經 4.p24

4.p24

“‘Moreover, once the Trāyastriṃśa gods were gathered in one place for some minor reason. The four god kings were each seated in their places. Dhṛtarāṣṭra sat to the east and faced west with Lord Śakra in front of him. Virūḍhaka sat to the south and faced north with Lord Śakra in front of him. Virūpākṣa sat to the west and faced east with Lord Śakra in front of him. Vaiśravaṇa sat to the north and faced south with Lord Śakra in front of him. The four god kings had already been seated, and afterward I was seated.