How to arrange the two-day self-help tour route in Nanjing?

I recommend a three-day tour to you. Choose from them: Day 1: Sun Yat-sen Mausoleum, Ming Tombs, Purple Mountain Observatory, Nanjing Museum, Meiyuan New Village, Xu Yuan (Presidential Palace), Hunan Road Night Market-Snacks Day 2: Taicheng, Xuanwu Lake, Nanjing Yangtze River Bridge, Yuejiang Building, Jinghai Temple and Tianfei Palace Day 3: China Brocade Village, Memorial Hall for Victims of Nanjing Massacre by Japanese Invaders, Mochou Lake. The route is as follows: tourist route1-7: 30-17:15 Nanjing Station-Central Gate-Public Transport Corporation-Xuanwu Gate-Drum Tower-Jiming Temple-Sipailou-Presidential Palace-Ming Palace-Zhongshan Gate-Wei Qiao-Meiling Palace-Underwater World-Rain Flower of Sun Yat-sen Mausoleum. Jing-Daxing Palace-Presidential Palace-Jiefang Road-Ming Palace-Zhongshan Gate-Wei Qiao-Meihua Mountain-Meiling Palace-Underwater World Yuhuatai-Zhonghuamen Castle-Changle Road (Sanshan Street) -Confucius Temple-Yanggongjing-Daxing Palace-Presidential Palace-Jiefang Road-Ming Palace-Zhongshan Gate-Wei Qiao-Qianhu-Shi Xiang Road-Ming Tombs Wuyuan-Huang Jiawei-Nanjing Station-Huamu Company-Xinzhuang-Suojin Village-Gangzi Village-Taipingmen Road-Zijinshan Cableway-Liao Tomb-Zhongshan Botanical Garden-Ming Tomb-Underwater World Nagato Bridge-National Defense Park