What is the earliest bus route from Jiang 'an Watertown to Nanjing Massacre Memorial Hall?

Bus route: Metro Line 3 → Metro Line 2, the whole journey is about 22.7 kilometers.

1. Walk about 1.3km from Jiang 'an Watertown and arrive at Tianruncheng Station.

2. Take Metro Line 3, pass 9 stops and arrive at Daxing Palace Station.

3. Walk about 220 meters and transfer to Metro Line 2.

4. Take Metro Line 2, pass 5 stops and arrive at Yunjin Road Station.

5. Walk about 300 meters to the Memorial Hall for Victims of the Nanjing Massacre by Japanese Invaders.