2005 年 54 巻 1 号 p. 159-162,1253
This document is based on the division of time named “the twelve horary signs,” and elaborated in the twelve kinds of verses. The unknown author of this document states his thought and practices of Chan through these verses. This was formed under the influence of the Northern Chan School before the eighth century, characterized by Nembutsu (Buddha-Contemplation)-Chan syncretism.