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简介：Historically, Li Zicheng's strategy was successful. During the confrontation between the two sides and no major battle broke out, Zuo Liangyu suddenly broke out of camp and left. As a result, he fell into the trap of the invading army and was blocked by a deep trench. The invading army pursued behind him. Liangyu's army was almost wiped out, and in the end he fled back to Xiangyang in embarrassment with only three thousand cavalry.