What is the best route for a three-day self-driving tour from Yinchuan to Qinghai Lake?

for Qinghai Lake tourism, Yinchuan is 7 kilometers away from Qinghai Lake, so it is recommended to take National Highway 19, and the road conditions are ok. It is best to drive by car in Qinghai Lake for two days. On the first day, Xining, Ta 'er Temple, Sun Moon Mountain, Daotang River, 151 scenic spot of Qinghai Lake, Jiangxi ditch, Heima River and live in Heima River. The next day, Heima River, Bird Island, Fairy Bay, Sand Island, Treasure Beach, atomic city and Xining. It's 38 kilometers in two days. The accommodation standard room is around 12 yuan, and the meal price is slightly higher than Yinchuan. Tickets are 151 scenic spots, 1 yuan, Bird Island, 115 yuan, Fairy Bay, 6, Sand Island, 9 yuan, and students are halved.