How to arrange a reasonable five-day tour in Hualien and Yilan?

Take the train from Taipei to Yilan, spend two days in Yilan, take the train from Yilan to Hualien on the third day, and take the train back to Taipei from Hualien on the fifth day. You can charter a car in Hualien and Yilan, and the chartered car costs about 3,000 Taiwan dollars a day.

D1; Zhongxiao Fuxing Station to Jiufen, Jiufen, tour and accommodation<br/>D2; Jiufen---Ruifang, Pingxi Line, Taiwan Railway---Hualien, live<br/>D3; Taroko, Qixingtan, Qingshui Cliff<br/>D4; Taiwan Railway, Hualien---Yilan, live<br/>D5; Yilan---Taipei