Explanation: Yan An; wing King; Yi left. Originally referred to King Wu of Zhou and Sun while seeking to appease his son as heir ◇ refers to prepare plans. Source: "Book of Songs, King Wen Daya sound" King Wu would not Shi, Yi-Jue Sun seek to Yanyi Zi. "" Le Chi Sung Nine "right Everbright Yu, Yi-Yan-wing plan."