The Yin and Yang of Zhaobao Taijiquan
The ancestors of Zhaobao Taijiquan left behind a diagram of the Thirteen Postures (十三式). The口诀 (mnemonic verse) states: "The Thirteen Postures of Taijiquan originate from the Dao of Heaven and encompass 64 movements. Each movement must be practiced with thirteen characters: one circle, two polarities, four phenomena, and eight trigrams